Frederick H. Rumpf
19Patents
9h-index
31Co-inventors
72Inventor score
Filing activity: Aug 11, 1994 → Dec 16, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6048923A | Elastomer composites method and apparatus | Chemistry; Metallurgy | 64 | Expired |
| US7655209B2 | Process for production of carbon black | Performing Operations; Transporting | 36 | Active |
| US6040364A | Methods for producing elastomeric compositions | Chemistry; Metallurgy | 35 | Expired |
| US8871173B2 | Method for carbon black production using preheated feedstock and apparatus for same | Chemistry; Metallurgy | 27 | Active |
| US7431909B1 | Process for production of carbon black | Performing Operations; Transporting | 26 | Expired |
| US9096735B2 | Elastomer composite with silica-containing filler and methods to produce same | Chemistry; Metallurgy | 18 | Active |
| US6413478B1 | Elastomer composites, method and apparatus | Chemistry; Metallurgy | 16 | Expired |
| US7582688B2 | Elastomer composites, method and apparatus | Chemistry; Metallurgy | 14 | Active |
| US8791177B2 | Elastomer composite with silica-containing filler and methods to produce same | Chemistry; Metallurgy | 11 | Active |
| US5466427A | Catalysis and treatment of gases with the catalysts | Performing Operations; Transporting | 9 | Expired |
| US10519298B2 | Carbon coated particles | Chemistry; Metallurgy | 4 | Active |
| US9175150B2 | Modified carbon blacks having low PAH amounts and elastomers containing the same | Emerging Cross-Sectional Technologies | 4 | Active |
| US11198774B2 | Carbon coated particles | Chemistry; Metallurgy | 1 | Active |
| US12247114B1 | Methods of preparing a composite having elastomer and filler | Emerging Cross-Sectional Technologies | 0 | Active |
| US9574087B2 | Method for carbon black production using preheated feedstock and apparatus for same | Chemistry; Metallurgy | 0 | Active |
| US11692081B2 | Carbon-coated particles | Chemistry; Metallurgy | 0 | Active |
| US12275834B2 | Methods of preparing a composite having elastomer and filler | Emerging Cross-Sectional Technologies | 0 | Active |
| US12209170B2 | Methods of preparing a composite having elastomer and filler | Emerging Cross-Sectional Technologies | 0 | Active |
| US12344728B2 | Methods of preparing a composite having elastomer and filler | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.