← Back to Companies

Ohio Crankshaft Co

Ohio Crank

Active Patents

0

Total Holdings

5

Patent Holdings

Filter in Explorer →

Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US2787824A	Method of assembling two-bearing motor-generator units	Expired / Lapsed	1951-08-01	1957-04-09	0	Details
US2623293A	Means for accurately checking contours	Expired / Lapsed	1949-02-25	1952-12-30	0	Details
US2577825A	Transformer	Expired / Lapsed	1946-02-04	1951-12-11	0	Details
US2428303A	Induction heating means for gear teeth	Expired / Lapsed	1943-02-24	1947-09-30	0	Details
US2264301A	Heating and quenching apparatus	Expired / Lapsed	1938-03-24	1941-12-02	0	Details