SP MFG CORP has a total of 58 patent applications. Its first patent ever was published in 1950. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets machine tools, machines and mechanical elements are SHEFFER COLLET CO, MIYAKAWA INDUSTRY CO LTD and WOODWORTH CO N A.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 30 | |
#2 | Canada | 13 | |
#3 | United Kingdom | 6 | |
#4 | France | 3 | |
#5 | Japan | 3 | |
#6 | Germany | 2 | |
#7 | EPO (European Patent Office) | 1 |
# | Industry | |
---|---|---|
#1 | Machine tools | |
#2 | Machines | |
#3 | Mechanical elements | |
#4 | Control | |
#5 | Computer technology | |
#6 | Engines, pumps and turbines |
# | Technology | |
---|---|---|
#1 | Unspecified technologies | |
#2 | Turning | |
#3 | Pistons and sealings | |
#4 | Accessories for machine tools | |
#5 | Servomotors | |
#6 | Unspecified technologies | |
#7 | Control or regulating systems | |
#8 | Machines | |
#9 | Fluid-circuit elements for computing | |
#10 | Pipes |
# | Name | Total Patents |
---|---|---|
#1 | Sampson Merritt B | 29 |
#2 | Ovanin George J | 11 |
#3 | Young Alan H | 6 |
#4 | Gailey Edward D | 5 |
#5 | Hall William E | 3 |
#6 | Ovanin George John | 2 |
#7 | Nagy Joseph | 2 |
#8 | Jiyooji Jiei Obanin | 1 |
#9 | Jiyooji Jiyon Obanin | 1 |
#10 | Highberg George A | 1 |
Publication | Filing date | Title |
---|---|---|
US4685687A | Workholder | |
JPS6254607A | Work holder | |
EP0218756A1 | Improved workholder | |
US4621568A | Rotary hydraulic cylinder | |
US4546988A | Chuck top jaw with removable insert | |
US4550922A | Workholder | |
US4909521A | Chuck having gripping and locating sensors | |
JPS51118181A | Rotaing chuck | |
US3984114A | Chuck with anti-centrifugal force feature | |
US3945275A | Rotary jaw chuck with stock detector | |
US3858893A | Self-centering and compensating chuck | |
CA980102A | Self-centering and compensating chuck | |
US3559539A | Fluid actuator construction | |
US3612553A | Low profile fluid actuated chuck | |
US3523545A | Fluidic signal generator | |
GB1171571A | Machine Tools | |
US3481612A | Piston ring construction | |
US3417672A | Rotary hydraulic cylinder | |
US3468551A | Chuck | |
US3460849A | Variable force chuck construction |