SMC CORPORATION
2,023Patents
989Active
2,023Granted
56Portfolio score
Filing activity: Aug 9, 1979 → Feb 23, 2024 · 293 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6428070B1 | Chuck with position detecting function | Emerging Cross-Sectional Technologies | 1,422 | Expired |
| US6299133A | Gate valve | Mechanical Engineering; Lighting; Heating | 508 | Expired |
| US6416295B1 | Vacuum-generating unit | Mechanical Engineering; Lighting; Heating | 92 | Expired |
| US6405099B1 | Automatic control system | Emerging Cross-Sectional Technologies | 92 | Expired |
| US6568313B2 | Fluid pressure cylinder apparatus | Mechanical Engineering; Lighting; Heating | 87 | Expired |
| US5529088A | Rail-mounted aggregate valve | Emerging Cross-Sectional Technologies | 79 | Expired |
| USD416309S | Electromagnetic valve | General | 76 | Expired |
| US5192070A | Suction pad | Performing Operations; Transporting | 75 | Expired |
| US5190332A | Suction pad for attracting and holding a workpiece | Performing Operations; Transporting | 70 | Expired |
| USD621860S1 | Electric actuator | General | 68 | Expired |
| US6681803B2 | Socket and plug attachment mechanism for tube joint | Emerging Cross-Sectional Technologies | 68 | Expired |
| US5779412A | Profile frame and connector | Mechanical Engineering; Lighting; Heating | 65 | Expired |
| US7273206B2 | Electromagnetic valve | Mechanical Engineering; Lighting; Heating | 65 | Expired |
| USD544578S1 | Electromagnetic valve | General | 62 | Expired |
| US9556991B2 | Pipe joint | Mechanical Engineering; Lighting; Heating | 61 | Active |
| US7415895B2 | Flow meter with a rectifying module having a plurality of mesh members | Physics | 59 | Active |
| USD524910S1 | Electromagnetic valve | General | 58 | Expired |
| USD546420S1 | Electromagnetic valve | General | 57 | Expired |
| USD395835S | Portable pressure gauge | General | 57 | Expired |
| USD409279S | Air supply and discharge block for an electromagnetic valve assembly | General | 56 | Expired |
| US8303458B2 | Automatic speed reduction ratio switching apparatus | Emerging Cross-Sectional Technologies | 55 | Active |
| US4815496A | Power feeder for solenoid valves | Emerging Cross-Sectional Technologies | 53 | Expired |
| US6805152B2 | Poppet valve with heater | Emerging Cross-Sectional Technologies | 53 | Expired |
| USD533255S1 | Electromagnetic valve | General | 52 | Expired |
| USD413129S | Electric actuator | General | 51 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.