WC

Willis R. Campbell

SP Sperry: 24 patents #1 of 841Top 1%
SR Sperry Rand: 2 patents #5 of 84Top 6%
GE Gehl: 1 patents #29 of 57Top 55%
NA New Holland North America: 1 patents #137 of 281Top 50%
Ford: 1 patents #9,341 of 17,473Top 55%
Overall (All Time): #68,517 of 4,157,543Top 2%
44
Patents All Time

Issued Patents All Time

Showing 25 most recent of 44 patents

Patent #TitleCo-InventorsDate
6945484 Method and apparatus for processing municipal waste Robert Terzini 2005-09-20
6467708 Method of processing municipal waste Robert Terzini 2002-10-22
6464155 Method of processing animal waste and parts Forrest L. Robinson 2002-10-15
6412716 Method and apparatus for processing municipal sludge waste Forrest L. Robinson 2002-07-02
6398138 Method of extracting nylon fiber from a comminuter Forrest L. Robinson 2002-06-04
6126096 Method and apparatus for separating and recovering fractional components of carpet Forrest L. Robinson 2000-10-03
5931089 Bale starting chamber with tensioning device Kim P. Viesselmann 1999-08-03
5908164 Method and apparatus for separating and recovering fractional components of carpet Forrest L. Robinson 1999-06-01
5727740 Method and apparatus for recovering fractional components of soil Forrest L. Robinson 1998-03-17
5637152 Soil washing apparatus and method Forrest L. Robinson 1997-06-10
5611363 Oil spill cleaner Forrest L. Robinson, Bruce A. Perry, Dan Schwlefert 1997-03-18
5423340 Apparatus for removing an oil spill on a body of water Forrest L. Robinson, Bruce A. Perry, Dan Schwlefert 1995-06-13
5419241 Tape dispensing apparatus for round balers Shaun A. Seymour 1995-05-30
5419253 Round bale wrapping method including wrapping with self-adhering tape 1995-05-30
5365836 Apparatus for wrapping round bales 1994-11-22
5316029 Oil separator Forrest L. Robinson, Bruce A. Perry, Dan Schwiefert 1994-05-31
D288593 Solar collector 1987-03-03
4597248 Method of operating a roll baler John A. Merkey 1986-07-01
4584827 Drive mechanism for roll baler John A. Merkey, Francis L. Uhland, Jr., Donald F. Bowden, Jr. 1986-04-29
4517890 Twine wrapping apparatus for a roll baling machine James D. Walker 1985-05-21
4517889 Twine cutting and clamping apparatus for a roll baling machine James D. Walker, Kenneth R. Underhill 1985-05-21
4513731 Solar heat collector 1985-04-30
4510861 Continuous roll baling machine Allison W. Blanshine 1985-04-16
4508359 Automatic latch for draft member of bale handler Larry Hunt, T. William Waldrop 1985-04-02
4505197 Twine cut and clamp mechanism for a roll baling machine Paul Shenberger, James D. Walker 1985-03-19