Inventor · disambiguated record
James F. Rayfield
Also filed as: RAYFIELD JAMES F
23 granted patents·2 pending applications·607 citations·filing 1979–2019
96Inventor score
Files withCNH AMERICA LLC6CNH IND AMERICA LLC5NEW HOLLAND NORTH AMERICA INC5SPERRY CORP4BLUE LEAF I P INC1
Top patents by PatentIndex Score
25 records- 0198US7222474B2Ground sensing apparatus for a header of an agricultural harvesting machineCNH AMERICA LLC·Filed 2005·Granted May 29, 2007·65 cites·18 claims
- 0296US10070575B2Agricultural machine with folding headerCNH IND AMERICA LLC·Filed 2016·Granted Sep 11, 2018·21 cites·17 claims
- 0395US7908836B1Draper header with multiple sided cut crop barrier interface between the cutter bar and draper canvasCNH AMERICA LLC·Filed 2010·Granted Mar 22, 2011·46 cites·15 claims
- 0494US7992374B1Agricultural plant cutting header with fore and aft adjustable flexible cutterbar having automatic preload adjustmentCNH AMERICA LLC·Filed 2010·Granted Aug 9, 2011·36 cites·19 claims
- 0591US8590284B2Cam shield for a rotary reelRAYFIELD JAMES F·Filed 2012·Granted Nov 26, 2013·32 cites·19 claims
- 0691US5865019APlastic divider assembly with frame for a corn headNEW HOLLAND NORTH AMERICA INC·Filed 1996·Granted Feb 2, 1999·75 cites·12 claims
- 0790US10292331B2Draper belt system with frame pivot joint and roller sharing same axisCNH IND AMERICA LLC·Filed 2017·Granted May 21, 2019·10 cites·20 claims
- 0890US6050071AModular stalkroll with one bolt attachmentNEW HOLLAND NORTH AMERICA INC·Filed 1998·Granted Apr 18, 2000·67 cites·19 claims
- 0988US10165726B2Agricultural header with multiple knife drivesCNH IND AMERICA LLC·Filed 2016·Granted Jan 1, 2019·9 cites·18 claims
- 1087US4245716AVehicle access ladderSPERRY CORP·Filed 1979·Granted Jan 20, 1981·32 cites·8 claims
- 1186US7950212B1Cutterbar support for a crop harvesting headerCNH AMERICA LLC·Filed 2010·Granted May 31, 2011·21 cites·9 claims
- 1283US6640527B2Center feed finger adjustment mechanism for headerNEW HOLLAND NORTH AMERICA INC·Filed 2001·Granted Nov 4, 2003·28 cites·14 claims
- 1381US8286410B2Non-row sensitive harvesting unit for a corn headerPRIEPKE EDWARD H·Filed 2010·Granted Oct 16, 2012·12 cites·18 claims
- 1478US6248015B1Turret system on a bubble-up auger for an agricultural combineNEW HOLLAND NORTH AMERICA INC·Filed 2000·Granted Jun 19, 2001·24 cites·6 claims
- 1576US4512139ADrive reverser actuating mechanismSPERRY CORP·Filed 1983·Granted Apr 23, 1985·29 cites·11 claims
- 1674US7426819B2Auger finger with resilient elastomeric retainer retractor at breaking pointCNH AMERICA LLC·Filed 2006·Granted Sep 23, 2008·12 cites·31 claims
- 1772US10412891B2Draper belt system with differently sized rollersCNH IND AMERICA LLC·Filed 2017·Granted Sep 17, 2019·3 cites·17 claims
- 1872US7401457B2Auger finger with tether for retaining and retracting the finger when brokenCNH AMERICA LLC·Filed 2005·Granted Jul 22, 2008·13 cites·25 claims
- 1972US4470243ACombine drive controlSPERRY CORP·Filed 1983·Granted Sep 11, 1984·25 cites·7 claims
- 2069US5784869ACorn head auger trough dividerNEW HOLLAND NORTH AMERICA INC·Filed 1997·Granted Jul 28, 1998·37 cites·17 claims
- 2153US4253472AConcave clearance indicatorSPERRY CORP·Filed 1979·Granted Mar 3, 1981·10 cites·3 claims
- 2251USRE49178EAgricultural machine with folding headerBLUE LEAF I P INC·Filed 2019·Granted Aug 23, 2022·0 cites·53 claims
- 2345US2010251683A1Auger finger with resilient elastomeric retainer retractorTHOMPSON SCOTT K·Filed 2009·Application pending·0 cites
- 2443US2010083629A1Flexible cutterbar support apparatus with integral adjustable torsional preload mechanism and vibration damperKLOTZBACH KARL W·Filed 2008·Application pending·0 cites
- 2539US10542673B2Agricultural reel cam systemCNH IND AMERICA LLC·Filed 2016·Granted Jan 28, 2020·0 cites·6 claims
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