John B. Matthew
14Patents
8h-index
9Co-inventors
65Inventor score
Filing activity: Nov 10, 1977 → Feb 12, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5074129A | Formable fabric | Textiles; Paper | 81 | Expired |
| US7779525B2 | Papermaking refiner plates and method of manufacture | Emerging Cross-Sectional Technologies | 34 | Active |
| US6935589B1 | Papermaking refiner plates and method of manufacture | Emerging Cross-Sectional Technologies | 24 | Expired |
| US5954283A | Papermaking refiner plates | Performing Operations; Transporting | 21 | Expired |
| US6955309B2 | Method of diagnosing and controlling a grinding mill for paper and the like | Textiles; Paper | 16 | Expired |
| US4529137A | Multiple disk refiner for low consistency refining of mechanical pulp | Textiles; Paper | 10 | Expired |
| US5740972A | Papermaking refiner plates | Performing Operations; Transporting | 9 | Expired |
| US4531681A | Flexible disk refiner and method | Textiles; Paper | 9 | Expired |
| US5921486A | Papermaking refiner plates | Performing Operations; Transporting | 7 | Expired |
| US7614129B2 | Papermaking refiner plates and method of manufacture | Emerging Cross-Sectional Technologies | 6 | Active |
| US4462900A | Centrifugal pulp screening device and method | Performing Operations; Transporting | 6 | Expired |
| US4136018A | Vortex separator with coaxial inlet and lightweight reject pipelines | Performing Operations; Transporting | 5 | Expired |
| US4222817A | Method and apparatus for pulping and grading waste material | Textiles; Paper | 3 | Expired |
| US10637992B2 | Method and apparatus for group calling in an IP-based communication system | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.