William C. Johnson
22Patents
11h-index
16Co-inventors
72Inventor score
Filing activity: May 10, 1977 → Nov 17, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4425919A | Torque transmitting catheter apparatus | Human Necessities | 362 | Expired |
| US5249741A | Automatic fan speed control | Emerging Cross-Sectional Technologies | 88 | Expired |
| US4337805A | Agricultural bag loading apparatus | Human Necessities | 67 | Expired |
| US4949633A | Animal feed bagging apparatus | Human Necessities | 44 | Expired |
| US4653553A | Agricultural bag loading machine | Human Necessities | 36 | Expired |
| US6887375B2 | System to save and recycle domestic water | Emerging Cross-Sectional Technologies | 25 | Expired |
| US6145220A | Cushioned footwear and apparatus for making the same | Human Necessities | 22 | Expired |
| US4875840A | Compressor lubrication system with vent | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US5029867A | Golf game | Human Necessities | 15 | Expired |
| US4877381A | Compressor shaft collar through port for pressure equalization between fluid pockets | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US4424051A | Method and apparatus for manufacturing an agricultural bag | Emerging Cross-Sectional Technologies | 11 | Expired |
| USD320800S | Agricultural bag filling machine | General | 4 | Expired |
| US7958576B1 | Decorative toilet for the physically challenged | Fixed Constructions | 3 | Active |
| US4522615A | Method and apparatus for manufacturing an agricultural bag | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4094837A | Corrosion inhibiting primer paint for hand cleaned ferrous metals | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6425997B1 | Process for removal of chloride ions from steel surfaces | Chemistry; Metallurgy | 3 | Expired |
| US7603796B2 | Boot with oversized toe box for thermal insulation | Human Necessities | 2 | Expired |
| US4508352A | Mouse trap game | Human Necessities | 2 | Expired |
| US4775359A | Bag and tube folding method and apparatus | Performing Operations; Transporting | 2 | Expired |
| US4892514A | Bag and tube folding method and apparatus | Performing Operations; Transporting | 1 | Expired |
| USRE33491E | Agricultural bag loading machine | General | 1 | Expired |
| US9409458B2 | Vehicle with suspension system | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.