Compact Engineering LLC
46Patents
6Active
46Granted
48Portfolio score
Filing activity: Jan 14, 1974 → Jul 1, 2021 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5248341A | Robotic carrier mechanism for aircraft maintenance | Performing Operations; Transporting | 69 | Expired |
| US6328494A | Ergonomic tool holder or writing tool with means to be molded to fit the user's hand | Performing Operations; Transporting | 43 | Expired |
| US4467428A | Automatic speed control systems | Performing Operations; Transporting | 37 | Expired |
| US5983992A | Unit construction plate-fin heat exchanger | Mechanical Engineering; Lighting; Heating | 34 | Expired |
| US4046305A | Metallic bonding method | Emerging Cross-Sectional Technologies | 26 | Expired |
| US4192398A | Actuator mechanism incorporating screw-and-nut devices | Mechanical Engineering; Lighting; Heating | 21 | Expired |
| US4211193A | Speed regulating systems | Performing Operations; Transporting | 18 | Expired |
| US3983954A | Speed responsive systems | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US3988646A | Ignition devices | Electricity | 16 | Expired |
| US6691132B2 | Semantic encoding and compression of database tables | Emerging Cross-Sectional Technologies | 16 | Expired |
| US7182283B1 | Pulverizer real-time monitoring system | Performing Operations; Transporting | 15 | Expired |
| US3945881A | Fourdrinier steam shower | Textiles; Paper | 14 | Expired |
| US4290613A | Positive clearance radial face seals | Emerging Cross-Sectional Technologies | 14 | Expired |
| US4004969A | Paper machine drainage foil with wear-resistant insert | Textiles; Paper | 14 | Expired |
| US4136396A | Data processing | Physics | 13 | Expired |
| US4354467A | Vehicle speed control systems | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US4140202A | Speed responsive systems | Performing Operations; Transporting | 12 | Expired |
| US4196466A | Speed responsive systems | Physics | 12 | Expired |
| US4613914A | Auto-tracking method and apparatus of a magnetic recording/reproducing apparatus | Physics | 12 | Expired |
| US4336566A | Vehicle speed control systems | Performing Operations; Transporting | 10 | Expired |
| US3990505A | Air-conditioning systems | Performing Operations; Transporting | 10 | Expired |
| US4071800A | Three electrode arc plasma flame ignition devices | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US4093853A | Rotational speed transducers | Physics | 9 | Expired |
| US4365815A | Means providing coolant between elements of radial face seals | Emerging Cross-Sectional Technologies | 9 | Expired |
| US3963091A | Speed control devices | Mechanical Engineering; Lighting; Heating | 8 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.