William Charles Walker
28Patents
11h-index
31Co-inventors
75Inventor score
Filing activity: Jan 9, 1976 → Jan 13, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4759300A | Method and apparatus for the pyrolysis of waste products | Mechanical Engineering; Lighting; Heating | 78 | Expired |
| US6619214B2 | Method and apparatus for treatment of waste | Mechanical Engineering; Lighting; Heating | 33 | Expired |
| US5653183A | Pyrolytic waste treatment system | Emerging Cross-Sectional Technologies | 28 | Expired |
| US4978508A | Method and apparatus for soil decontamination | Chemistry; Metallurgy | 28 | Expired |
| US5501250A | Method for deleting and reintroducing yarns to a textile process | Textiles; Paper | 22 | Expired |
| US6323145A | Rapid fabric forming for penetration resistant fabric | Emerging Cross-Sectional Technologies | 20 | Expired |
| US5472762A | Method and apparatus for making a pile article and the products thereof | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4224726A | Hot melt carpet seam roller | Fixed Constructions | 16 | Expired |
| US5547732A | Method and apparatus for making a pile article and the products thereof | Emerging Cross-Sectional Technologies | 16 | Expired |
| US5498459A | Method and apparatus for making a pile article and the products thereof | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4130045A | String instrument tuning system | Physics | 11 | Expired |
| US5868085A | Pyrolytic waste treatment system | Emerging Cross-Sectional Technologies | 10 | Expired |
| US6203636A | Method of imparting a graphic design to a substrate | Emerging Cross-Sectional Technologies | 9 | Expired |
| US7832343B2 | Pyrolyzer with dual processing shafts | Emerging Cross-Sectional Technologies | 8 | Active |
| US7100246B1 | Stretch break method and product | Emerging Cross-Sectional Technologies | 8 | Expired |
| US6579815B1 | Rapid fabric forming | Emerging Cross-Sectional Technologies | 7 | Expired |
| US6107220A | Rapid fabric forming | Emerging Cross-Sectional Technologies | 6 | Expired |
| US7621225B2 | Method and apparatus for treatment of waste | Emerging Cross-Sectional Technologies | 4 | Expired |
| US7454816B2 | Stretch break method, apparatus and product | Emerging Cross-Sectional Technologies | 4 | Expired |
| US7559121B2 | Stretch break method and product | Emerging Cross-Sectional Technologies | 3 | Active |
| US4062265A | String instrument tuning system | Physics | 2 | Expired |
| US7267871B2 | Stretch break method and product | Emerging Cross-Sectional Technologies | 2 | Expired |
| US7122118B2 | Apparatus for treatment of contaminated liquids | Performing Operations; Transporting | 2 | Expired |
| US9050756B2 | Method of making a helmet | Human Necessities | 2 | Active |
| US7349756B2 | Method for control of yarn processing equipment | Physics | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.