Deming Co

Active Patents

Total Holdings

Patent Holdings

Patent No.	Title	Status	Filing Date	Grant Date	Actions
US2477079A	Pump	Expired / Lapsed	1946-05-18	1949-07-26	Details
US2452874A	Pumping system	Expired / Lapsed	1945-10-24	1948-11-02	Details
US1451481A	Pressure regulator	Expired / Lapsed	1920-11-29	1923-04-10	Details
US1160707A	Check-valve.	Expired / Lapsed	1915-01-08	1915-11-16	Details
US978729A	Gravity valve-cage and valve for pumps.	Expired / Lapsed	1910-01-31	1910-12-13	Details