Richard E. Smith
62Patents
16h-index
33Co-inventors
84Inventor score
Filing activity: Mar 29, 1974 → Sep 28, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4727402A | Automatic copier signature set production | Physics | 53 | Expired |
| US4330197A | Recirculating documents duplex copier | Physics | 47 | Expired |
| US5357660A | Sock pairing apparatus | Emerging Cross-Sectional Technologies | 32 | Expired |
| US6436185B1 | Joint compound and method of making same | Emerging Cross-Sectional Technologies | 31 | Expired |
| US4814822A | "Method and apparatus for automatic ""two-up"" copying with intermediate latent image copiers" | Physics | 30 | Expired |
| US3984269A | Accelerated drywall joint treatment | Emerging Cross-Sectional Technologies | 28 | Expired |
| US3954331A | Toner dispenser | Emerging Cross-Sectional Technologies | 25 | Expired |
| US3981272A | Mag brush housing with detachable sump section | Physics | 25 | Expired |
| US4299381A | Sheet feeding apparatus | Performing Operations; Transporting | 22 | Expired |
| US4033579A | Offset stacker | Performing Operations; Transporting | 21 | Expired |
| US4286995A | Mica-free joint compound | Chemistry; Metallurgy | 20 | Expired |
| US5313259A | System and method for operating a multitone imaging apparatus | Physics | 19 | Expired |
| US3943887A | Hybrid crossmixer | Physics | 18 | Expired |
| US5241955A | Breathing apparatus | Human Necessities | 17 | Expired |
| US3998537A | Split developer housing with interlocked flow gate and catch | Physics | 16 | Expired |
| US4054285A | Apparatus for registering and inverting sheets | Emerging Cross-Sectional Technologies | 16 | Expired |
| US6645291B2 | Joint compound and method of using same | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4304372A | Water-ski towline winch assembly | Emerging Cross-Sectional Technologies | 14 | Expired |
| US5720824A | Propulsion cleaning system | Chemistry; Metallurgy | 14 | Expired |
| US4089515A | Document storage and transport apparatus | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4049255A | Apparatus for feeding documents to and from a copier | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4077168A | Predecorated gypsum wallboard for impermeable wall | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4336928A | Method for feeding documents to a copy machine | Physics | 12 | Expired |
| US3944173A | Railroad crossing motion sensing system | Performing Operations; Transporting | 11 | Expired |
| US4159824A | Method for reversing the direction of travel of a sheet | Emerging Cross-Sectional Technologies | 11 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.