Inventor · disambiguated record
James J. Keller
Also filed as: KELLER JAMES J
16 granted patents·2 pending applications·220 citations·filing 1975–2011
94Inventor score
Top patents by PatentIndex Score
18 records- 0186US5794531AMultiple color offset rotary printing press with horizontal slide accessFiled 1997·Granted Aug 18, 1998·30 cites·12 claims
- 0284US5590598AHorizontal sheet transfer multiple color offset rotary printing press with horizontal slide accessFiled 1995·Granted Jan 7, 1997·27 cites·11 claims
- 0375US5193458AGripper bar conveyor for multiple color offset rotary printing pressKELLER JAMES J·Filed 1992·Granted Mar 16, 1993·17 cites·18 claims
- 0472US4932322ASwing away color head for offset duplicatorDAHLGREN DUPLICATOR SALES INC·Filed 1989·Granted Jun 12, 1990·17 cites·4 claims
- 0571US6272985B1Link arm mechanism for adjustable spacing of plate and blanket cylinders in a rotary offset printing pressKELRAY TECH INC·Filed 1999·Granted Aug 14, 2001·23 cites·12 claims
- 0666US5289768AGripper bar conveyor for multiple color offset rotary printing pressKELLER JAMES J·Filed 1993·Granted Mar 1, 1994·14 cites·10 claims
- 0763US5477780AHorizontal sheet transfer multiple color offset rotary printing press with horizontal slide accessFiled 1994·Granted Dec 26, 1995·13 cites·6 claims
- 0858US5865116AInk receptive dampening system for lithographic printing pressFiled 1996·Granted Feb 2, 1999·12 cites·17 claims
- 0956US5322014APrinting plate register system, device, and methodKELLER JAMES J·Filed 1992·Granted Jun 21, 1994·18 cites·15 claims
- 1055US3985073ANumbering head attachment for a printing pressKELLER JAMES J·Filed 1975·Granted Oct 12, 1976·12 cites·7 claims
- 1152US4949637ASelf-metering dampening system for a lithographic pressKELLER JAMES J·Filed 1988·Granted Aug 21, 1990·13 cites·23 claims
- 1249US6802255B2Ink fountain mechanismCOLOR CONTROL CORP·Filed 2002·Granted Oct 12, 2004·3 cites·15 claims
- 1347US5540145AInk receptive dampening system for lithographic printing pressFiled 1994·Granted Jul 30, 1996·12 cites·4 claims
- 1443US2007235923A1Sheet feeder, feed roller system and methodKELLER JAMES J·Filed 2006·Application pending·0 cites
- 1539US5022322AMetering roller control apparatusKELLER JAMES J·Filed 1990·Granted Jun 11, 1991·5 cites·17 claims
- 1639US2013113156A1Feeder mechanism with adjustable pickup headsKELLER JAMES J·Filed 2011·Application pending·0 cites
- 1737US4896599ASwing-away colorhead for offset duplicatorDAHLGREN DUPLICATOR SALES INC·Filed 1988·Granted Jan 30, 1990·4 cites·22 claims
- 1835US7178461B2Ink fountain assembly with non-tilt cheeks and liner replacement mechanismCOLOR CONTROL CORP·Filed 2004·Granted Feb 20, 2007·0 cites·7 claims
Join the waitlist — get patent alerts
Get an alert when James J. Keller files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →