← Back to Companies

AR Wilfley and Sons Inc

AR Wilfley

Active Patents

0

Total Holdings

5

Patent Holdings

Filter in Explorer →

Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US3704960A	Vertical centrifugal pump	Expired / Lapsed	1971-02-26	1972-12-05	34	Details
US3402671A	Centrifugal pump and sealing means therefor	Expired / Lapsed	1967-05-17	1968-09-24	0	Details
US2571802A	Centrifugal pump	Expired / Lapsed	1948-04-09	1951-10-16	0	Details
US2272454A	Seal for centrifugal pumps	Expired / Lapsed	1940-06-11	1942-02-10	0	Details
US1976532A	Sealing means for centrifugal pumps	Expired / Lapsed	1934-01-09	1934-10-09	0	Details