William L. Schaefer
23Patents
8h-index
10Co-inventors
72Inventor score
Filing activity: May 8, 1975 → Feb 25, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4735642A | Hollow glass fiber bushing assembly | Emerging Cross-Sectional Technologies | 65 | Expired |
| US3996032A | Insulated heater tray for making glass fibers and method for using same | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US4045196A | Method and apparatus for chopping glass strands | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4043779A | Apparatus for chopping coated glass fibers | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4964891A | Programmably controlled fiber glass strand feeders and improved methods for making glass fiber mats | Textiles; Paper | 12 | Expired |
| US4088469A | Environmental control of a glass fiber forming bushing | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5797557A | Apparatus, systems and methods for transporting a cylindrical package | Emerging Cross-Sectional Technologies | 10 | Expired |
| USD335203S | Warm-up suit | General | 8 | Expired |
| US4955999A | Stationary strand deflector for continuous strand manufacture | Textiles; Paper | 8 | Expired |
| US4024647A | Temperature controlled heater tray | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US4566888A | Bushing construction | Chemistry; Metallurgy | 7 | Expired |
| US6284133A | Bio aerator | Performing Operations; Transporting | 7 | Expired |
| USD333374S | Warm-up suit | General | 4 | Expired |
| USD332686S | Warm-up suit | General | 3 | Expired |
| US4071342A | Apparatus for forming glass fibers | Chemistry; Metallurgy | 3 | Expired |
| US5184909A | Dispenser for sealants with specific bristle arrangement | Performing Operations; Transporting | 3 | Expired |
| US4704149A | Hollow fiber bushing tip | Emerging Cross-Sectional Technologies | 3 | Expired |
| USD335205S | Warm-up suit | General | 3 | Expired |
| US4591371A | Glass fiber forming bushing construction | Emerging Cross-Sectional Technologies | 2 | Expired |
| USD335204S | Warm-up suit | General | 2 | Expired |
| US6845698B2 | Systems and methods for severing elongated material | Emerging Cross-Sectional Technologies | 0 | Expired |
| US3965563A | Method and apparatus for removing cutting blades from an annular cutting head | Emerging Cross-Sectional Technologies | 0 | Expired |
| USD335945S | Warm-up suit | General | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.