H & H MACHINE & MOTOR PARTS CO has a total of 12 patent applications. Its first patent ever was published in 1935. It filed its patents most often in United States. Its main competitors in its focus markets machine tools, machines and engines, pumps and turbines are NORTH BROS MFG CO, CEDAR RAPIDS ENG CO and ARMSTRONG BROS TOOL CO.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 12 |
# | Industry | |
---|---|---|
#1 | Machine tools | |
#2 | Machines | |
#3 | Engines, pumps and turbines |
# | Name | Total Patents |
---|---|---|
#1 | Michael Holhut | 6 |
#2 | Vollmer Walter G | 6 |
#3 | Michener Edward R | 2 |
#4 | Frank Schulte | 1 |
Publication | Filing date | Title |
---|---|---|
US2838145A | Methods and means for repairing cracked castings | |
US2174709A | Boring machine | |
US2173398A | Machine-shop fixture | |
US2102897A | Bolt-setting tool | |
US2103531A | Pouring jig | |
US2102707A | Valve-seat surfacing tool | |
US2104345A | Valve stem grinding and fitting device | |
US2115952A | Boring tool | |
US2104900A | Carbon removing tool | |
US2103568A | Motor-block stand | |
US2106367A | Motor-block stand | |
US2103294A | Cylinder reboring-plate |