P

Inventor

SPALDING WILLARD P

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

WESTINGHOUSE AIR BRAKE CO

3 patents
US5220863AJun 22, 1993

Conical diaphragm and method of making

WESTINGHOUSE AIR BRAKE CO13 citations72
US4022304AMay 10, 1977

Tread brake assembly

WESTINGHOUSE AIR BRAKE CO13 citations71
US5437219AAug 1, 1995

Low stress conical type diaphragm

WESTINGHOUSE AIR BRAKE CO6 citations61

AMERICAN STANDARD INC

3 patents
US4951554AAug 28, 1990

Low stress diaphragm

AMERICAN STANDARD INC10 citations72
US4418799ADec 6, 1983

Combined air reservoir/brake cylinder device

AMERICAN STANDARD INC10 citations72
US4557181ADec 10, 1985

Brake cylinder/air reservoir device

AMERICAN STANDARD INC2 citations61