Some of these links lead to more than 500 patents. The web site will not list more than 500 if the result is more than that. For example class B43K5 bring back 9308 patents - of which only the first 500 are displayed. To find out how to display all of them scroll to the bottom of this message.
Please note that the web site is down everyday from 23:00 to 23:15 EST for maintainance.
B43K1 Nibs (continuously adjustable nibs B43K17/00); Writing-points (for indicating or recording apparatus G01D15/16)
B43K3 Nib holders (holders for continuously adjustable nibs B43K17/00)
B43K5 Pens with ink reservoirs in holders, e.g. fountain-pens (nibs or writing-points with ink reservoirs B43K1/01; ball-point pens B43K7/00; pens with writing-points other than nibs or balls B43K8/00; multiple-point writing implements B43K27/00)
B43K7 Ball-point pens ([N: B43M11/08B takes precedence]; multiple-point writing implements B43K27/00) [C9609]
B43K8 Pens with writing-points other than nibs or balls (brushes with reservoir for supplying substances A46B11/00)
B43K11 Filling devices (ink receptacles B43L25/00)
B43K13 Devices for removing nibs; Devices for cleaning nibs, e.g. by wiping (ink receptacles with pen-wiping means B43L25/12)
B43K15 Assembling, finishing, or repairing pens
B43K17 Continuously-adjustable nibs, e.g. for drawing-pens; Holders therefor (features common to fountain pens B43K5/00)
B43K19 Non-propelling pencils; Styles; Crayons; Chalks (batik pencils, cord-line chalkers B44D3/00; writing-core compositions for pencils, crayon compositions, chalk compositions C09D13/00)
B43K21 Propelling pencils (projecting mechanisms for writing units B43K24/00; multiple-point writing implements B43K27/00)
B43K23 Holders or connectors for writing implements; Means for protecting the writing-points [N: (B43K27/00A takes precedence)] [C9411]
B43K24 Mechanisms for selecting, projecting, retracting or locking writing units
B43K25 Attaching writing implements to wearing apparel or objects involving constructional changes of the implements (protecting means, e.g. caps B43K23/08; garment-holding devices A44B21/00; fastening articles to wearing apparel A45F5/02)
B43K27 Multiple-point writing implements, e.g. multicolour; Combinations of writing implements (B43K29/00 takes precedence; mechanisms for selecting, projecting, retracting or locking writing units B43K24/00; multiple writing devices with pantographic linkages B43L13/12)
B43K29 Combinations of writing implements with other articles
B43K31 Writing implement receptacles functioning as, or combined with, writing implements (other writing implement receptacles A45C11/34, A45C11/36)
If there are more than 500 patents in a search you can break it down by year. For example:
http://v3.espacenet....=&EC=&IC=+B43K5
Gives all the B43K5 patents during 1920. The following list of links leads to every patent in the B43K5 from 1920 to 2006. These searches can be easily generalized.
B43K5 patents during 1920
B43K5 patents during 1921
B43K5 patents during 1922
B43K5 patents during 1923
B43K5 patents during 1924
B43K5 patents during 1925
B43K5 patents during 1926
B43K5 patents during 1927
B43K5 patents during 1928
B43K5 patents during 1929
B43K5 patents during 1930
B43K5 patents during 1931
B43K5 patents during 1932
B43K5 patents during 1933
B43K5 patents during 1934
B43K5 patents during 1935
B43K5 patents during 1936
B43K5 patents during 1937
B43K5 patents during 1938
B43K5 patents during 1939
B43K5 patents during 1940
B43K5 patents during 1941
B43K5 patents during 1942
B43K5 patents during 1943
B43K5 patents during 1944
B43K5 patents during 1945
B43K5 patents during 1946
B43K5 patents during 1947
B43K5 patents during 1948
B43K5 patents during 1949
B43K5 patents during 1950
B43K5 patents during 1951
B43K5 patents during 1952
[url="http://v3.espacenet.com/results?sf=a&FIRST=1&CY=ep&LG=en&DB=EPODOC&TI=&AB=&PN=&AP=&PR=&PD=1953&PA=&IN=&EC=&IC=+B43K5"]B43K5 patents during 1953[/url]
[url="http://v3.espacenet.com/results?sf=a&FIRST=1&CY=ep&LG=en&DB=EPODOC&TI=&AB=&PN=&AP=&PR=&PD=1954&PA=&IN=&EC=&IC=+B43K5"]B43K5 patents during 1954[/url]
[url="http://v3.espacenet.com/results?sf=a&FIRST=1&CY=ep&LG=en&DB=EPODOC&TI=&AB=&PN=&AP=&PR=&PD=1955&PA=&IN=&EC=&IC=+B43K5"]B43K5 patents during 1955[/url]
[url="http://v3.espacenet.com/results?sf=a&FIRST=1&CY=ep&LG=en&DB=EPODOC&TI=&AB=&PN=&AP=&PR=&PD=1956&PA=&IN=&EC=&IC=+B43K5"]B43K5 patents during 1956[/url]
[url="http://v3.espacenet.com/results?sf=a&FIRST=1&CY=ep&LG=en&DB=EPODOC&TI=&AB=&PN=&AP=&PR=&PD=1957&PA=&IN=&EC=&IC=+B43K5"]B43K5 patents during 1957[/url]
[url="http://v3.espacenet.com/results?sf=a&FIRST=1&CY=ep&LG=en&DB=EPODOC&TI=&AB=&PN=&AP=&PR=&PD=1958&PA=&IN=&EC=&IC=+B43K5"]B43K5 patents during 1958[/url]
[url="http://v3.espacenet.com/results?sf=a&FIRST=1&CY=ep&LG=en&DB=EPODOC&TI=&AB=&PN=&AP=&PR=&PD=1959&PA=&IN=&EC=&IC=+B43K5"]B43K5 patents during 1959[/url]
[url="http://v3.espacenet.com/results?sf=a&FIRST=1&CY=ep&LG=en&DB=EPODOC&TI=&AB=&PN=&AP=&PR=&PD=1960&PA=&IN=&EC=&IC=+B43K5"]B43K5 patents during 1960[/url]
[url="http://v3.espacenet.com/results?sf=a&FIRST=1&CY=ep&LG=en&DB=EPODOC&TI=&AB=&PN=&AP=&PR=&PD=1961&PA=&IN=&EC=&IC=+B43K5"]B43K5 patents during 1961[/url]
[url="http://v3.espacenet.com/results?sf=a&FIRST=1&CY=ep&LG=en&DB=EPODOC&TI=&AB=&PN=&AP=&PR=&PD=1962&PA=&IN=&EC=&IC=+B43K5"]B43K5 patents during 1962[/url]
[url="http://v3.espacenet.com/results?sf=a&FIRST=1&CY=ep&LG=en&DB=EPODOC&TI=&AB=&PN=&AP=&PR=&PD=1963&PA=&IN=&EC=&IC=+B43K5"]B43K5 patents during 1963[/url]
[url="http://v3.espacenet.com/results?sf=a&FIRST=1&CY=ep&LG=en&DB=EPODOC&TI=&AB=&PN=&AP=&PR=&PD=1964&PA=&IN=&EC=&IC=+B43K5"]B43K5 patents during 1964[/url]
[url="http://v3.espacenet.com/results?sf=a&FIRST=1&CY=ep&LG=en&DB=EPODOC&TI=&AB=&PN=&AP=&PR=&PD=1965&PA=&IN=&EC=&IC=+B43K5"]B43K5 patents during 1965[/url]
[url="http://v3.espacenet.com/results?sf=a&FIRST=1&CY=ep&LG=en&DB=EPODOC&TI=&AB=&PN=&AP=&PR=&PD=1966&PA=&IN=&EC=&IC=+B43K5"]B43K5 patents during 1966[/url]
[url="http://v3.espacenet.com/results?sf=a&FIRST=1&CY=ep&LG=en&DB=EPODOC&TI=&AB=&PN=&AP=&PR=&PD=1967&PA=&IN=&EC=&IC=+B43K5"]B43K5 patents during 1967[/url]
[url="http://v3.espacenet.com/results?sf=a&FIRST=1&CY=ep&LG=en&DB=EPODOC&TI=&AB=&PN=&AP=&PR=&PD=1968&PA=&IN=&EC=&IC=+B43K5"]B43K5 patents during 1968[/url]
[url="http://v3.espacenet.com/results?sf=a&FIRST=1&CY=ep&LG=en&DB=EPODOC&TI=&AB=&PN=&AP=&PR=&PD=1969&PA=&IN=&EC=&IC=+B43K5"]B43K5 patents during 1969[/url]
[url="http://v3.espacenet.com/results?sf=a&FIRST=1&CY=ep&LG=en&DB=EPODOC&TI=&AB=&PN=&AP=&PR=&PD=1970&PA=&IN=&EC=&IC=+B43K5"]B43K5 patents during 1970[/url]
[url="http://v3.espacenet.com/results?sf=a&FIRST=1&CY=ep&LG=en&DB=EPODOC&TI=&AB=&PN=&AP=&PR=&PD=1971&PA=&IN=&EC=&IC=+B43K5"]B43K5 patents during 1971[/url]
[url="http://v3.espacenet.com/results?sf=a&FIRST=1&CY=ep&LG=en&DB=EPODOC&TI=&AB=&PN=&AP=&PR=&PD=1972&PA=&IN=&EC=&IC=+B43K5"]B43K5 patents during 1972[/url]
[url="http://v3.espacenet.com/results?sf=a&FIRST=1&CY=ep&LG=en&DB=EPODOC&TI=&AB=&PN=&AP=&PR=&PD=1973&PA=&IN=&EC=&IC=+B43K5"]B43K5 patents during 1973[/url]
[url="http://v3.espacenet.com/results?sf=a&FIRST=1&CY=ep&LG=en&DB=EPODOC&TI=&AB=&PN=&AP=&PR=&PD=1974&PA=&IN=&EC=&IC=+B43K5"]B43K5 patents during 1974[/url]
[url="http://v3.espacenet.com/results?sf=a&FIRST=1&CY=ep&LG=en&DB=EPODOC&TI=&AB=&PN=&AP=&PR=&PD=1975&PA=&IN=&EC=&IC=+B43K5"]B43K5 patents during 1975[/url]
[url="http://v3.espacenet.com/results?sf=a&FIRST=1&CY=ep&LG=en&DB=EPODOC&TI=&AB=&PN=&AP=&PR=&PD=1976&PA=&IN=&EC=&IC=+B43K5"]B43K5 patents during 1976[/url]
[url="http://v3.espacenet.com/results?sf=a&FIRST=1&CY=ep&LG=en&DB=EPODOC&TI=&AB=&PN=&AP=&PR=&PD=1977&PA=&IN=&EC=&IC=+B43K5"]B43K5 patents during 1977[/url]
[url="http://v3.espacenet.com/results?sf=a&FIRST=1&CY=ep&LG=en&DB=EPODOC&TI=&AB=&PN=&AP=&PR=&PD=1978&PA=&IN=&EC=&IC=+B43K5"]B43K5 patents during 1978[/url]
[url="http://v3.espacenet.com/results?sf=a&FIRST=1&CY=ep&LG=en&DB=EPODOC&TI=&AB=&PN=&AP=&PR=&PD=1979&PA=&IN=&EC=&IC=+B43K5"]B43K5 patents during 1979[/url]
[url="http://v3.espacenet.com/results?sf=a&FIRST=1&CY=ep&LG=en&DB=EPODOC&TI=&AB=&PN=&AP=&PR=&PD=1980&PA=&IN=&EC=&IC=+B43K5"]B43K5 patents during 1980[/url]
[url="http://v3.espacenet.com/results?sf=a&FIRST=1&CY=ep&LG=en&DB=EPODOC&TI=&AB=&PN=&AP=&PR=&PD=1981&PA=&IN=&EC=&IC=+B43K5"]B43K5 patents during 1981[/url]
[url="http://v3.espacenet.com/results?sf=a&FIRST=1&CY=ep&LG=en&DB=EPODOC&TI=&AB=&PN=&AP=&PR=&PD=1982&PA=&IN=&EC=&IC=+B43K5"]B43K5 patents during 1982[/url]
[url="http://v3.espacenet.com/results?sf=a&FIRST=1&CY=ep&LG=en&DB=EPODOC&TI=&AB=&PN=&AP=&PR=&PD=1983&PA=&IN=&EC=&IC=+B43K5"]B43K5 patents during 1983[/url]
[url="http://v3.espacenet.com/results?sf=a&FIRST=1&CY=ep&LG=en&DB=EPODOC&TI=&AB=&PN=&AP=&PR=&PD=1984&PA=&IN=&EC=&IC=+B43K5"]B43K5 patents during 1984[/url]
[url="http://v3.espacenet.com/results?sf=a&FIRST=1&CY=ep&LG=en&DB=EPODOC&TI=&AB=&PN=&AP=&PR=&PD=1985&PA=&IN=&EC=&IC=+B43K5"]B43K5 patents during 1985[/url]
[url="http://v3.espacenet.com/results?sf=a&FIRST=1&CY=ep&LG=en&DB=EPODOC&TI=&AB=&PN=&AP=&PR=&PD=1986&PA=&IN=&EC=&IC=+B43K5"]B43K5 patents during 1986[/url]
[url="http://v3.espacenet.com/results?sf=a&FIRST=1&CY=ep&LG=en&DB=EPODOC&TI=&AB=&PN=&AP=&PR=&PD=1987&PA=&IN=&EC=&IC=+B43K5"]B43K5 patents during 1987[/url]
[url="http://v3.espacenet.com/results?sf=a&FIRST=1&CY=ep&LG=en&DB=EPODOC&TI=&AB=&PN=&AP=&PR=&PD=1988&PA=&IN=&EC=&IC=+B43K5"]B43K5 patents during 1988[/url]
[url="http://v3.espacenet.com/results?sf=a&FIRST=1&CY=ep&LG=en&DB=EPODOC&TI=&AB=&PN=&AP=&PR=&PD=1989&PA=&IN=&EC=&IC=+B43K5"]B43K5 patents during 1989[/url]
[url="http://v3.espacenet.com/results?sf=a&FIRST=1&CY=ep&LG=en&DB=EPODOC&TI=&AB=&PN=&AP=&PR=&PD=1990&PA=&IN=&EC=&IC=+B43K5"]B43K5 patents during 1990[/url]
[url="http://v3.espacenet.com/results?sf=a&FIRST=1&CY=ep&LG=en&DB=EPODOC&TI=&AB=&PN=&AP=&PR=&PD=1991&PA=&IN=&EC=&IC=+B43K5"]B43K5 patents during 1991[/url]
[url="http://v3.espacenet.com/results?sf=a&FIRST=1&CY=ep&LG=en&DB=EPODOC&TI=&AB=&PN=&AP=&PR=&PD=1992&PA=&IN=&EC=&IC=+B43K5"]B43K5 patents during 1992[/url]
[url="http://v3.espacenet.com/results?sf=a&FIRST=1&CY=ep&LG=en&DB=EPODOC&TI=&AB=&PN=&AP=&PR=&PD=1993&PA=&IN=&EC=&IC=+B43K5"]B43K5 patents during 1993[/url]
[url="http://v3.espacenet.com/results?sf=a&FIRST=1&CY=ep&LG=en&DB=EPODOC&TI=&AB=&PN=&AP=&PR=&PD=1994&PA=&IN=&EC=&IC=+B43K5"]B43K5 patents during 1994[/url]
[url="http://v3.espacenet.com/results?sf=a&FIRST=1&CY=ep&LG=en&DB=EPODOC&TI=&AB=&PN=&AP=&PR=&PD=1995&PA=&IN=&EC=&IC=+B43K5"]B43K5 patents during 1995[/url]
[url="http://v3.espacenet.com/results?sf=a&FIRST=1&CY=ep&LG=en&DB=EPODOC&TI=&AB=&PN=&AP=&PR=&PD=1996&PA=&IN=&EC=&IC=+B43K5"]B43K5 patents during 1996[/url]
[url="http://v3.espacenet.com/results?sf=a&FIRST=1&CY=ep&LG=en&DB=EPODOC&TI=&AB=&PN=&AP=&PR=&PD=1997&PA=&IN=&EC=&IC=+B43K5"]B43K5 patents during 1997[/url]
[url="http://v3.espacenet.com/results?sf=a&FIRST=1&CY=ep&LG=en&DB=EPODOC&TI=&AB=&PN=&AP=&PR=&PD=1998&PA=&IN=&EC=&IC=+B43K5"]B43K5 patents during 1998[/url]
[url="http://v3.espacenet.com/results?sf=a&FIRST=1&CY=ep&LG=en&DB=EPODOC&TI=&AB=&PN=&AP=&PR=&PD=1999&PA=&IN=&EC=&IC=+B43K5"]B43K5 patents during 1999[/url]
[url="http://v3.espacenet.com/results?sf=a&FIRST=1&CY=ep&LG=en&DB=EPODOC&TI=&AB=&PN=&AP=&PR=&PD=2000&PA=&IN=&EC=&IC=+B43K5"]B43K5 patents during 2000[/url]
[url="http://v3.espacenet.com/results?sf=a&FIRST=1&CY=ep&LG=en&DB=EPODOC&TI=&AB=&PN=&AP=&PR=&PD=2001&PA=&IN=&EC=&IC=+B43K5"]B43K5 patents during 2001[/url]
[url="http://v3.espacenet.com/results?sf=a&FIRST=1&CY=ep&LG=en&DB=EPODOC&TI=&AB=&PN=&AP=&PR=&PD=2002&PA=&IN=&EC=&IC=+B43K5"]B43K5 patents during 2002[/url]
[url="http://v3.espacenet.com/results?sf=a&FIRST=1&CY=ep&LG=en&DB=EPODOC&TI=&AB=&PN=&AP=&PR=&PD=2003&PA=&IN=&EC=&IC=+B43K5"]B43K5 patents during 2003[/url]
[url="http://v3.espacenet.com/results?sf=a&FIRST=1&CY=ep&LG=en&DB=EPODOC&TI=&AB=&PN=&AP=&PR=&PD=2004&PA=&IN=&EC=&IC=+B43K5"]B43K5 patents during 2004[/url]
[url="http://v3.espacenet.com/results?sf=a&FIRST=1&CY=ep&LG=en&DB=EPODOC&TI=&AB=&PN=&AP=&PR=&PD=2005&PA=&IN=&EC=&IC=+B43K5"]B43K5 patents during 2005[/url]
[url="http://v3.espacenet.com/results?sf=a&FIRST=1&CY=ep&LG=en&DB=EPODOC&TI=&AB=&PN=&AP=&PR=&PD=2006&PA=&IN=&EC=&IC=+B43K5"]B43K5 patents during 2006[/url]
This post has been edited by antoniosz: 01 June 2006 - 02:43 PM

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