RW

Robert A. Wagstaff

NA New Holland North America: 14 patents #9 of 281Top 4%
SP Sperry: 6 patents #45 of 841Top 6%
Ford: 4 patents #4,025 of 17,473Top 25%
SR Sperry Rand: 1 patents #22 of 84Top 30%
📍 New Holland, PA: #11 of 177 inventorsTop 7%
🗺 Pennsylvania: #2,310 of 74,527 inventorsTop 4%
Overall (All Time): #156,515 of 4,157,543Top 4%
26
Patents All Time

Issued Patents All Time

Showing 1–25 of 26 patents

Patent #TitleCo-InventorsDate
6470560 Method for making a shaft coupling with tapered spines for a pull-type forage harvester John E. Wanner 2002-10-29
6381933 Shaft coupling with tapered splines for a pull-type forage harvester John E. Wanner 2002-05-07
5875623 Row crop attachment for forage harvester 1999-03-02
5822962 Crop processor apparatus for pull-type forage harvester Larry D. Hall 1998-10-20
5779167 Forage harvester knife and mounting apparatus 1998-07-14
5724797 Crop guide for forage harvester row crop attachment Larry D. Hall 1998-03-10
5704562 Cutterhead for forage harvester 1998-01-06
5465658 Twine cutting apparatus for round baler John R. McClure 1995-11-14
5444969 Round baler apparatus for monitoring bale shape John B. Crego 1995-08-29
5437226 Twine cutter for a round baler 1995-08-01
5408817 Bale shape monitoring method for round balers 1995-04-25
4938004 Net wrapping method John H. Merritt 1990-07-03
4912918 Apron tensioning method for round balers Richard E. Jennings, H. Nevin Lausch 1990-04-03
4899651 Apron tensioning system for round balers H. Nevin Lausch, Richard E. Jennings 1990-02-13
4896477 Net wrapping apparatus John H. Merritt 1990-01-30
4723401 Steerable wheel assembly for unitized rakes Emmett G. Webster, Edmund O. Howell 1988-02-09
4698955 Bale density control system for round balers 1987-10-13
4627340 Twine wrapping apparatus with trip mechanism actuated twine dispensing member Emmett F. Glass 1986-12-09
4612855 Twine wrapping apparatus with stationary twine guide member Emmett F. Glass 1986-09-23
RE31464 Damped apparatus for quick-stopping rotating members Wayne B. Martenas, Edward H. Priepke 1983-12-20
4296591 Damped apparatus for quick-stopping rotating members Wayne B. Martenas, Edward H. Priepke 1981-10-27
4266392 Header cutting angle adjustment mechanism Larimer J. Knepper, James W. McDuffie 1981-05-12
4250896 Anti-wrap means Steven J. Campbell, Mark L. Cozine, Marc Christenson, Ray E. Nooyen 1981-02-17
4223846 Forage harvester Edward H. Priepke 1980-09-23
4220289 Forage conveying apparatus Frederick W. Phillips, Edward H. Priepke 1980-09-02