Inventor · disambiguated record
Steven J. Campbell
Also filed as: CAMPBELL STEVEN J · CAMPBELL STEVEN JAMES
18 granted patents·485 citations·filing 1975–2001
96Inventor score
Top patents by PatentIndex Score
18 records- 0192US6360516B1Two stage hydraulic tongue swing mechanismNEW HOLLAND NORTH AMERICA INC·Filed 2000·Granted Mar 26, 2002·56 cites·11 claims
- 0291US4250896AAnti-wrap meansSPERRY CORP·Filed 1979·Granted Feb 17, 1981·42 cites·8 claims
- 0390US4505279AStaggered spiral rasp bar segments for axial flow combinesSPERRY CORP·Filed 1983·Granted Mar 19, 1985·49 cites·13 claims
- 0489US6273449B1Tongue latch mechanismNEW HOLLAND NORTH AMERICA INC·Filed 2000·Granted Aug 14, 2001·42 cites·9 claims
- 0589US5784866ADisc cutterbar for agricultural implementsNEW HOLLAND NORTH AMERICA INC·Filed 1996·Granted Jul 28, 1998·41 cites·8 claims
- 0687US5809757AProtective structure for a modular disc cutterbarNEW HOLLAND NORTH AMERICA INC·Filed 1996·Granted Sep 22, 1998·50 cites·13 claims
- 0785US4055309AAdjustable cutter bar supportGEHL CO·Filed 1976·Granted Oct 25, 1977·31 cites·13 claims
- 0884US5996323AModular disc cutterbar for agricultural implementsNEW HOLLAND NORTH AMERICA INC·Filed 1998·Granted Dec 7, 1999·32 cites·6 claims
- 0984US5778647ADisc mower conditionerNEW HOLLAND NORTH AMERICA INC·Filed 1996·Granted Jul 14, 1998·36 cites·5 claims
- 1080US4005554ABlade sharpening device for rotatable chopping cylindersGEHL CO·Filed 1975·Granted Feb 1, 1977·18 cites·4 claims
- 1179US4033518AForage harvesterGEHL CO·Filed 1976·Granted Jul 5, 1977·24 cites·10 claims
- 1259US5875619AOil slinger for cutter module drive assemblyNEW HOLLAND NORTH AMERICA INC·Filed 1998·Granted Mar 2, 1999·17 cites·8 claims
- 1354US4306572AAxial flow stripper plateSPERRY CORP·Filed 1980·Granted Dec 22, 1981·13 cites·6 claims
- 1453US6481192B1Steering tube for pivotally rotating a hay harvester gearboxNEW HOLLAND NORTH AMERICA INC·Filed 2001·Granted Nov 19, 2002·8 cites·10 claims
- 1546US5953893ADisc mower cutterbar guardNEW HOLLAND NORTH AMERICA INC·Filed 1998·Granted Sep 21, 1999·12 cites·11 claims
- 1635US5916112AGuide link for a rotatable harvester gearboxNEW HOLLAND NORTH AMERICA INC·Filed 1998·Granted Jun 29, 1999·7 cites·15 claims
- 1734US6116009ACurved draft tongue for mower conditionersNEW HOLLAND NORTH AMERICA INC·Filed 1999·Granted Sep 12, 2000·4 cites·3 claims
- 1834US6023923ADrive shaft support for mower conditionersNEW HOLLAND NORTH AMERICA INC·Filed 1999·Granted Feb 15, 2000·3 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →