https://patentbrief.org/company/george-westinghouse-jr Plain-English explanations of patents assigned to George Westinghouse, Jr., newest first. en-us Sat, 13 Jun 2026 10:14:18 GMT https://patentbrief.org/patent/us/88929/air-brake-westinghouse An 1869 invention by George Westinghouse that used steam pressure to operate train brakes, replacing manual hand-cranked systems with a safer, centralized control mechanism. Tue, 13 Apr 1869 00:00:00 GMT https://patentbrief.org/patent/us/88929/air-brake-westinghouse