Richard B. Allen
26Patents
12h-index
18Co-inventors
78Inventor score
Filing activity: Nov 19, 1979 → Feb 20, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4786692A | High strength, reduced heat distortion temperature thermoplastic composition | Chemistry; Metallurgy | 115 | Expired |
| US4264705A | Multilayered elastomeric printing plate | Physics | 81 | Expired |
| US4544677A | Foamable polycarbonate compositions, articles and methods | Emerging Cross-Sectional Technologies | 36 | Expired |
| US4782098A | Expandable thermoplastic resin beads | Emerging Cross-Sectional Technologies | 33 | Expired |
| US5128073A | Expanding thermoplastic resin beads with very high frequency energy | Chemistry; Metallurgy | 21 | Expired |
| US4683247A | Foamable thermoplastic compositions, foamed articles and foaming method based on pre-compounded nucleating agent-resin concentrate | Chemistry; Metallurgy | 20 | Expired |
| US4727093A | Low density particles of polyphenylene ether resins | Chemistry; Metallurgy | 20 | Expired |
| US4285759A | Apparatus for stripping a cover sheet | Emerging Cross-Sectional Technologies | 20 | Expired |
| US4857390A | Low density extruded foam having high compressive strength | Emerging Cross-Sectional Technologies | 19 | Expired |
| US4579901A | Modified polyphenylene ether compositions having improved flow | Chemistry; Metallurgy | 17 | Expired |
| US4778656A | Method for enhancing ionizing radiation | Chemistry; Metallurgy | 14 | Expired |
| US5130340A | Elastomeric low density foamable compositions and process of making the same and articles made therefrom | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4874796A | Expandable thermoplastic resin beads | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4904702A | Foamable engineering thermoplastic compositions | Chemistry; Metallurgy | 11 | Expired |
| US4920153A | Expandable thermoplastic resin beads | Chemistry; Metallurgy | 10 | Expired |
| US4783494A | Thermoplastic compositions of polycarbonate resin and copolymers of ethylene and acrylic or methacrylic acid | Chemistry; Metallurgy | 9 | Expired |
| US5190986A | Elastomeric low density foamable compositions and process of making the same and articles made therefrom | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4536542A | Method for altering the surface of thermoplastic polymers | Chemistry; Metallurgy | 7 | Expired |
| US5008298A | Expandable thermoplastic resin beads | Emerging Cross-Sectional Technologies | 7 | Expired |
| US5823212A | Stadium umbrella | Human Necessities | 6 | Expired |
| US4968466A | Expandable thermoplastic resin beads | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4938800A | Alcohol printing solution with reduced fume emission | Performing Operations; Transporting | 3 | Expired |
| US4373040A | Epoxy molding compound | Chemistry; Metallurgy | 3 | Expired |
| US8086628B2 | Systems and methods for user-constructed hierarchical interest profiles and information retrieval using same | Emerging Cross-Sectional Technologies | 1 | Active |
| US7426508B2 | Systems and methods for user-constructed hierarchical interest profiles and information retrieval using same | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.