Inventor

CAMPBELL WILLIS R

US54 patents

⚠️ This page may combine multiple inventors who share the name “CAMPBELL WILLIS R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CAMPBELL WILLIS R

SPERRY CORP

Floating windguard

Bale handling means

Continuous roll baling machine

Stripper bar for roll baling machine

Discharge means

Twine wrapping apparatus for a roll baling machine

Overfill protection apparatus for roll baling machine

Baling machine with air spring means for maintaining apron tension

Drive apparatus for roll baling machine

Bale retainer for roll baling machine

Baling machine with tapered bale chamber

Automatic bale ejection drive

Automatic bale ejection drive

Twine cut and clamp mechanism for a roll baling machine

Method of operating a roll baler

Baling machine with improved arm assembly for controlling expansion of the upper apron

Drive mechanism for roll baler

Breakaway reset mechanism

Method of adjusting apron tension in roll baling machines

Baling machine with air spring means for maintaining apron tension

Automatic latch for draft member of bale handler

Twine cutting and clamping apparatus for a roll baling machine

Method of releasing apron tension in roll baling machines

SPERRY RAND CORP

Automatic twine wrapping apparatus

Large round bale handling apparatus

Center pivot dispensing apparatus

Twine wrapping mechanism for a roll forming machine

Large round bale handling apparatus

Collection and recycling apparatus for crop material particles in a roll forming machine

Twine wrapping mechanism for a roll forming machine

Large round bale handling apparatus

Collection and recycling apparatus for crop material particles in a roll forming machine

Breakaway mechanism for an improved crop material roll forming machine

(unassigned)

Method of extracting nylon fiber from a comminuter

Method and apparatus for separating and recovering fractional components of carpet

Method and apparatus for recovering fractional components of soil

Method and apparatus for processing municipal sludge waste

Method and apparatus for separating and recovering fractional components of carpet

Tape dispensing apparatus for round balers

SEPARATION OIL SERVICES INC

Apparatus for removing an oil spill on a body of water

Oil separator

Soil washing apparatus and method

Oil spill cleaner

TERZINI ROBERT

Method and apparatus for processing municipal waste

Method of processing municipal waste

CAMPBELL WILLIS R

Solar collector

Solar heat collector

NEW HOLLAND NORTH AMERICA INC

Round bale wrapping method including wrapping with self-adhering tape

FORD NEW HOLLAND INC

Apparatus for wrapping round bales

GEHL CO

Bale starting chamber with tensioning device