Herbert W. Barch
22Patents
12h-index
23Co-inventors
77Inventor score
Filing activity: Apr 24, 1975 → Jun 19, 1989
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4610789A | Filtration cartridge and reactor | Performing Operations; Transporting | 68 | Expired |
| US4933307A | Silica-rich porous substrates with reduced tendencies for breaking or cracking | Chemistry; Metallurgy | 40 | Expired |
| US4466151A | Applicator for applying a coating to a surface | Performing Operations; Transporting | 36 | Expired |
| US4689255A | Mat structure | Emerging Cross-Sectional Technologies | 28 | Expired |
| US4434521A | Applicator for applying a coating to a surface | Performing Operations; Transporting | 26 | Expired |
| US4145202A | Method for reprocessing glass fibers | Chemistry; Metallurgy | 26 | Expired |
| US4842620A | Process of gas enrichment with porous siliceous-containing material | Chemistry; Metallurgy | 21 | Expired |
| US4305742A | Method of forming and sizing glass fibers | Emerging Cross-Sectional Technologies | 20 | Expired |
| US3999970A | Gas support gathering shoe for forming glass fibers and method for using same | Performing Operations; Transporting | 17 | Expired |
| US4370157A | Stable sizing compositions used during forming of glass fibers and resulting fiber | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4941904A | Method and apparatus for forming hollow fibers | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4491082A | Cylindrical sleeve applicator for use in manufacturing chemically treated filaments | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4071341A | Apparatus for forming glass fibers | Chemistry; Metallurgy | 9 | Expired |
| US4517916A | Applicator for treating textile filaments with chemical treatments | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4690760A | Novel cartridge with stress relieving member | Performing Operations; Transporting | 7 | Expired |
| US3996409A | High temperature adhesive-sealant composition | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4239162A | Fiber traversing spiral | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4085487A | Method for producing slubby yarn | Textiles; Paper | 2 | Expired |
| US4100723A | Apparatus for producing slubby yarn | Textiles; Paper | 1 | Expired |
| US4099307A | Apparatus for producing slubby yarn | Textiles; Paper | 0 | Expired |
| US4100726A | Method for producing slubby yarn | Textiles; Paper | 0 | Expired |
| US4096685A | Method and apparatus for producing slubby yarn | Textiles; Paper | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.