Inventor · disambiguated record
Robert A. Wagstaff
Also filed as: JENNY BERNARD T · WAGSTAFF ROBERT A
28 granted patents·610 citations·filing 1975–2002
97Inventor score
Files withNEW HOLLAND NORTH AMERICA INC11SPERRY CORP6FORD NEW HOLLAND INC4NEW HOLLAND INC3SPERRY RAND CORP3
Top patents by PatentIndex Score
28 records- 0193US4266392AHeader cutting angle adjustment mechanismSPERRY CORP·Filed 1979·Granted May 12, 1981·79 cites·22 claims
- 0292US4723401ASteerable wheel assembly for unitized rakesNEW HOLLAND INC·Filed 1986·Granted Feb 9, 1988·66 cites·9 claims
- 0391US4250896AAnti-wrap meansSPERRY CORP·Filed 1979·Granted Feb 17, 1981·42 cites·8 claims
- 0483US6470560B1Method for making a shaft coupling with tapered spines for a pull-type forage harvesterNEW HOLLAND NORTH AMERICA INC·Filed 2002·Granted Oct 29, 2002·17 cites·1 claims
- 0583US4223846AForage harvesterSPERRY CORP·Filed 1979·Granted Sep 23, 1980·26 cites·21 claims
- 0679US4209137AForage harvester cutterhead with baffle meansSPERRY CORP·Filed 1979·Granted Jun 24, 1980·23 cites·7 claims
- 0775US6381933B1Shaft coupling with tapered splines for a pull-type forage harvesterNEW HOLLAND NORTH AMERICA INC·Filed 2000·Granted May 7, 2002·12 cites·10 claims
- 0869US5444969ARound baler apparatus for monitoring bale shapeNEW HOLLAND NORTH AMERICA INC·Filed 1993·Granted Aug 29, 1995·43 cites·12 claims
- 0962US5408817ABale shape monitoring method for round balersNEW HOLLAND NORTH AMERICA INC·Filed 1993·Granted Apr 25, 1995·22 cites·14 claims
- 1062US4083167AMulti-row crop headerSPERRY RAND CORP·Filed 1976·Granted Apr 11, 1978·17 cites·8 claims
- 1161US5779167AForage harvester knife and mounting apparatusNEW HOLLAND NORTH AMERICA INC·Filed 1997·Granted Jul 14, 1998·31 cites·6 claims
- 1260US5724797ACrop guide for forage harvester row crop attachmentNEW HOLLAND NORTH AMERICA INC·Filed 1996·Granted Mar 10, 1998·26 cites·11 claims
- 1358US5822962ACrop processor apparatus for pull-type forage harvesterNEW HOLLAND NORTH AMERICA INC·Filed 1997·Granted Oct 20, 1998·21 cites·10 claims
- 1458US4296591ADamped apparatus for quick-stopping rotating membersSPERRY CORP·Filed 1980·Granted Oct 27, 1981·12 cites·9 claims
- 1556US4612855ATwine wrapping apparatus with stationary twine guide memberNEW HOLLAND INC·Filed 1985·Granted Sep 23, 1986·21 cites·9 claims
- 1654US4896477ANet wrapping apparatusFORD NEW HOLLAND INC·Filed 1989·Granted Jan 30, 1990·19 cites·11 claims
- 1751US4698955ABale density control system for round balersWAGSTAFF ROBERT A·Filed 1986·Granted Oct 13, 1987·20 cites·6 claims
- 1850US4627340ATwine wrapping apparatus with trip mechanism actuated twine dispensing memberNEW HOLLAND INC·Filed 1985·Granted Dec 9, 1986·17 cites·3 claims
- 1948US3985306AFacilitating easy access to a shearbar on a forage harvesterSPERRY RAND CORP·Filed 1975·Granted Oct 12, 1976·10 cites·37 claims
- 2047US5704562ACutterhead for forage harvesterNEW HOLLAND NORTH AMERICA INC·Filed 1997·Granted Jan 6, 1998·15 cites·14 claims
- 2146US4912918AApron tensioning method for round balersFORD NEW HOLLAND INC·Filed 1988·Granted Apr 3, 1990·13 cites·1 claims
- 2246US4220289AForage conveying apparatusSPERRY CORP·Filed 1979·Granted Sep 2, 1980·8 cites·12 claims
- 2345US4899651AApron tensioning system for round balersFORD NEW HOLLAND INC·Filed 1988·Granted Feb 13, 1990·12 cites·9 claims
- 2444US5465658ATwine cutting apparatus for round balerNEW HOLLAND NORTH AMERICA INC·Filed 1994·Granted Nov 14, 1995·12 cites·14 claims
- 2539US4171180AFast acting clutching and de-clutching mechanismSPERRY RAND CORP·Filed 1978·Granted Oct 16, 1979·8 cites·7 claims
- 2636US5437226ATwine cutter for a round balerNEW HOLLAND NORTH AMERICA INC·Filed 1994·Granted Aug 1, 1995·6 cites·9 claims
- 2736US4938004ANet wrapping methodFORD NEW HOLLAND INC·Filed 1989·Granted Jul 3, 1990·5 cites·2 claims
- 2835US5875623ARow crop attachment for forage harvesterNEW HOLLAND NORTH AMERICA INC·Filed 1996·Granted Mar 2, 1999·7 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →