Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Proportioning brake valve with dual area secondary piston

Proportioning brake valve with dual area secondary piston

US Patent 4660894 · Granted Apr 28, 1987

Estimated economic value: $4,538,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Air dryer purge control for turbocharged compressors1987
Brake control valve1987
Dual circuit brake valve1987
Flotation riser1987
Three way check valve1986
Electro-pneumatic control for a vehicle fluid pressure braking system1985
Brake proportioning system1983
Modular control valve1982