Donald E. Smith
19Patents
9h-index
16Co-inventors
69Inventor score
Filing activity: Oct 16, 1975 → Jul 14, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4650224A | Apparatus for discharging sewage from travel trailers and the like | Mechanical Engineering; Lighting; Heating | 38 | Expired |
| US5835322A | Ground fault interrupt circuit apparatus for 400-Hz aircraft electrical systems | Electricity | 38 | Expired |
| US5216689A | Slab laser with enhanced lifetime | Electricity | 31 | Expired |
| US6988444B1 | Combination grinder and brewer | Human Necessities | 30 | Expired |
| US6302098A | Oven door latch assembly | Emerging Cross-Sectional Technologies | 26 | Expired |
| US7314250B1 | Fitting system for a vehicle seat | Performing Operations; Transporting | 21 | Active |
| US5477660A | Process and apparatus for maximizing vacuum packaging machine cycle rate | Performing Operations; Transporting | 20 | Expired |
| US6698418B2 | Oven door latch assembly having side mounted motor | Emerging Cross-Sectional Technologies | 17 | Expired |
| US7156428B2 | Single switch springless oven door latch assembly | Emerging Cross-Sectional Technologies | 10 | Expired |
| US3996724A | Rotary carton closing and sealing apparatus | Emerging Cross-Sectional Technologies | 8 | Expired |
| US6080943A | Timer | Electricity | 7 | Expired |
| US4037741A | Bale transporting and feeding apparatus | Emerging Cross-Sectional Technologies | 7 | Expired |
| US7066503B2 | Springless oven door latch assembly | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4799231A | Laser gas orifice injection system | Electricity | 4 | Expired |
| US6838628B2 | Timer | Electricity | 3 | Expired |
| US6583371B1 | Timer | Electricity | 2 | Expired |
| US6797897B2 | Timer | Electricity | 1 | Expired |
| US11391494B2 | Multiple directional blow unit cooler | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US11965690B2 | Pan chiller with improved heat transfer and temperature control | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.