Willis R. Campbell

Person

Ephrata, PA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method of operating a roll baler
- Patent number 4,597,248
- Issue date Jul 1, 1986
- Sperry Corporation
- Willis R. Campbell
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Drive mechanism for roll baler
- Patent number 4,584,827
- Issue date Apr 29, 1986
- Sperry Corporation
- John A. Merkey
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Twine cutting and clamping apparatus for a roll baling machine
- Patent number 4,517,889
- Issue date May 21, 1985
- Sperry Corporation
- James D. Walker
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Twine wrapping apparatus for a roll baling machine
- Patent number 4,517,890
- Issue date May 21, 1985
- Sperry Corporation
- Willis R. Campbell
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Solar heat collector
- Patent number 4,513,731
- Issue date Apr 30, 1985
- Willis R. Campbell
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Continuous roll baling machine
- Patent number 4,510,861
- Issue date Apr 16, 1985
- Sperry Corporation
- Willis R. Campbell
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Automatic latch for draft member of bale handler
- Patent number 4,508,359
- Issue date Apr 2, 1985
- Sperry Corporation
- Willis R. Campbell
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Twine cut and clamp mechanism for a roll baling machine
- Patent number 4,505,197
- Issue date Mar 19, 1985
- Sperry Corporation
- Paul S. Shenberger
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Sprocket-shaped member for supporting apron tubes in roll baling ma...
- Patent number 4,462,203
- Issue date Jul 31, 1984
- Sperry Corporation
- Stephen C. Schlotterbeck
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Stripper bar for roll baling machine
- Patent number 4,436,027
- Issue date Mar 13, 1984
- Sperry Corporation
- John H. Freimuth
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Overfill protection apparatus for roll baling machine
- Patent number 4,434,607
- Issue date Mar 6, 1984
- Sperry Corporation
- Willis R. Campbell
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Baling machine with air spring means for maintaining apron tension
- Patent number 4,426,833
- Issue date Jan 24, 1984
- Sperry Corporation
- Willis R. Campbell
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Baling machine with roller-type floor
- Patent number 4,425,752
- Issue date Jan 17, 1984
- Sperry Corporation
- Donald L. Sheesley
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Drive apparatus for roll baling machine
- Patent number 4,424,662
- Issue date Jan 10, 1984
- Sperry Corporation
- Edward T. Eggers
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Baling machine with air spring means for maintaining apron tension
- Patent number 4,422,374
- Issue date Dec 27, 1983
- Sperry Corporation
- Willis R. Campbell
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Method of adjusting apron tension in roll baling machines
- Patent number 4,417,436
- Issue date Nov 29, 1983
- Sperry Corporation
- Willis R. Campbell
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Method of releasing apron tension in roll baling machines
- Patent number 4,414,796
- Issue date Nov 15, 1983
- Sperry Corporation
- Willis R. Campbell
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Baling machine with air spring means for maintaining apron tension
- Patent number 4,414,888
- Issue date Nov 15, 1983
- Sperry Corporation
- Willis R. Campbell
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Floating windguard
- Patent number 4,411,127
- Issue date Oct 25, 1983
- Sperry Corporation
- Anthony F. Diederich
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Bale retainer for roll baling machine
- Patent number 4,406,221
- Issue date Sep 27, 1983
- Sperry Corporation
- Charles A. Parrish
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Baling machine with tapered bale chamber
- Patent number 4,370,848
- Issue date Feb 1, 1983
- Sperry Corporation
- Willis R. Campbell
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Baling machine with improved arm assembly for controlling expansion...
- Patent number 4,343,141
- Issue date Aug 10, 1982
- Sperry Corporation
- Franklin A. Oellig
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Automatic bale ejection drive
- Patent number 4,296,596
- Issue date Oct 27, 1981
- Sperry Corporation
- T. William Waldrop
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Bale handling means
- Patent number 4,264,252
- Issue date Apr 28, 1981
- Sperry Corporation
- Richard E. Jennings
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Breakaway reset mechanism
- Patent number 4,253,389
- Issue date Mar 3, 1981
- Sperry Corporation
- Willis R. Campbell
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Automatic bale ejection drive
- Patent number 4,208,862
- Issue date Jun 24, 1980
- Sperry Rand Corporation
- T. William Waldrop
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Discharge means
- Patent number 4,206,587
- Issue date Jun 10, 1980
- Sperry Rand Corporation
- John H. Freimuth
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Automatic twine wrapping apparatus
- Patent number 4,167,844
- Issue date Sep 18, 1979
- Sperry Rand Corporation
- John H. Freimuth
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Collection and recycling apparatus for crop material particles in a...
- Patent number 4,159,615
- Issue date Jul 3, 1979
- Sperry Rand Corporation
- Edward T. Eggers
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Center pivot dispensing apparatus
- Patent number 4,158,331
- Issue date Jun 19, 1979
- Sperry Rand Corporation
- Willis R. Campbell
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING

Willis R. Campbell

Person

Patents Grantslast 30 patents

Method of operating a roll baler

Drive mechanism for roll baler

Twine cutting and clamping apparatus for a roll baling machine

Twine wrapping apparatus for a roll baling machine

Solar heat collector

Continuous roll baling machine

Automatic latch for draft member of bale handler

Twine cut and clamp mechanism for a roll baling machine

Sprocket-shaped member for supporting apron tubes in roll baling ma...

Stripper bar for roll baling machine

Overfill protection apparatus for roll baling machine

Baling machine with air spring means for maintaining apron tension

Baling machine with roller-type floor

Drive apparatus for roll baling machine

Baling machine with air spring means for maintaining apron tension

Method of adjusting apron tension in roll baling machines

Method of releasing apron tension in roll baling machines

Baling machine with air spring means for maintaining apron tension

Floating windguard

Bale retainer for roll baling machine

Baling machine with tapered bale chamber

Baling machine with improved arm assembly for controlling expansion...

Automatic bale ejection drive

Bale handling means

Breakaway reset mechanism

Automatic bale ejection drive

Discharge means

Automatic twine wrapping apparatus

Collection and recycling apparatus for crop material particles in a...

Center pivot dispensing apparatus