Inventor

VAN FOSSEN ROBERT A

7 patents

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

JOHNSON SERVICE CO

3 patents

US5024294AJun 18, 1991

ROBERTSHAW CONTROLS CO

3 patents

US4335750AJun 22, 1982

Reversing valve construction and piston head assembly therefor and methods of making the same

ROBERTSHAW CONTROLS CO10 citations72

US4324273AApr 13, 1982

Reversing valve construction and piston head assembly therefor and methods of making the same

ROBERTSHAW CONTROLS CO11 citations72

US4245670AJan 20, 1981

Reversing valve construction and piston head assembly therefor and methods of making the same

ROBERTSHAW CONTROLS CO14 citations72

HAMILTON STANDARD CONTROLS

1 patent

US4754920AJul 5, 1988

Compact operator for gas control valves

HAMILTON STANDARD CONTROLS9 citations71

VAN FOSSEN ROBERT A

JOHNSON SERVICE CO

Differential pressure transducer

Float switch with snap action member

Magnetically actuated proximity flow switch

ROBERTSHAW CONTROLS CO

Reversing valve construction and piston head assembly therefor and methods of making the same

Reversing valve construction and piston head assembly therefor and methods of making the same

Reversing valve construction and piston head assembly therefor and methods of making the same

HAMILTON STANDARD CONTROLS

Compact operator for gas control valves