Inventor · disambiguated record
Richard Hugo Clark
Also filed as: CLARK RICHARD · CLARK RICHARD C · CLARK RICHARD H · CLARK RICHARD HUGO
14 granted patents·4 pending applications·572 citations·filing 1983–2014
94Inventor score
Top patents by PatentIndex Score
18 records- 0196US7907971B2Optimized directional antenna systemAIRGAIN INC·Filed 2005·Granted Mar 15, 2011·134 cites·21 claims
- 0293USD284767SPlanter row shank mounting bracketDEERE & CO·Filed 1984·Granted Jul 22, 1986·40 cites·1 claims
- 0393USD284669SPlanter row frame supportDEERE & CO·Filed 1984·Granted Jul 15, 1986·40 cites·1 claims
- 0490US5988293AGauge structure for a cylinder operated depth controlDEERE & CO·Filed 1998·Granted Nov 23, 1999·89 cites·19 claims
- 0586US7418908B2Seed hopper and routing structure for varying material delivery to row unitsDEERE & CO·Filed 2005·Granted Sep 2, 2008·29 cites·9 claims
- 0685US7647875B2Seed hopper and routing structure for varying material delivery to row unitsDEERE & CO·Filed 2008·Granted Jan 19, 2010·24 cites·8 claims
- 0782US5443125AScraper for planting mechanism gauge wheelDEERE & CO·Filed 1994·Granted Aug 22, 1995·94 cites·6 claims
- 0876US8844657B2Stand on mower with traction drive pedalsDEERE & CO·Filed 2013·Granted Sep 30, 2014·7 cites·11 claims
- 0969US4570554AAdjustable width closing wheels for planter row unitsDEERE & CO·Filed 1983·Granted Feb 18, 1986·32 cites·3 claims
- 1066US6068062AFlexible frame for a multi-section implementDEERE & CO·Filed 1998·Granted May 30, 2000·25 cites·20 claims
- 1161US5081942ADepth adjusting device for a furrow openerDEERE & CO·Filed 1990·Granted Jan 21, 1992·23 cites·8 claims
- 1257US6688242B2Frame folding arrangement with vertically pivoting planting unitsDEERE & CO·Filed 2001·Granted Feb 10, 2004·10 cites·11 claims
- 1352US2015004916A1Method and systemAIRGAIN INC·Filed 2014·Application pending·0 cites
- 1448US4742606AUniversal cartridge trimming deviceBURBY OWEN·Filed 1986·Granted May 10, 1988·15 cites·2 claims
- 1546US2011117855A1Optimized directional antenna systemAIRGAIN INC·Filed 2011·Application pending·0 cites
- 1640US5358055APartial width seeding attachmentDEERE & CO·Filed 1993·Granted Oct 25, 1994·10 cites·15 claims
- 1738US2010101469A1Seed hopper and routing structure for varying material delivery to row unitsLANDPHAIR DONALD KEITH·Filed 2010·Application pending·0 cites
- 1838US2006293602A1Sleep management deviceCLARK RICHARD C·Filed 2004·Application pending·0 cites
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