Donald Smith
22Patents
9h-index
20Co-inventors
75Inventor score
Filing activity: Nov 20, 1972 → Aug 16, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4391561A | Solids pumping apparatus | Performing Operations; Transporting | 48 | Expired |
| US6584891B1 | Apparatus and methods for wire-tying bundles of objects | Performing Operations; Transporting | 39 | Expired |
| US4241673A | Direct ignition of pulverized coal | Mechanical Engineering; Lighting; Heating | 25 | Expired |
| US4413935A | Flow splitter for dividing a stream of pulverulent material into multiple streams | Mechanical Engineering; Lighting; Heating | 24 | Expired |
| US6968779B2 | Apparatus and methods for wire-tying bundles of objects | Performing Operations; Transporting | 23 | Expired |
| US4221174A | Direct ignition of a fluctuating fuel stream | Mechanical Engineering; Lighting; Heating | 18 | Expired |
| US4089637A | Control of air flow in a burner for a tangentially fired boiler | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US4228747A | High energy arc ignition of pulverized coal | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US7770369B2 | Apparatuses and methods for applying a strap around a bundle of objects | Performing Operations; Transporting | 9 | Active |
| US4127237A | Plural bowl mills in series | Performing Operations; Transporting | 8 | Expired |
| US4562966A | Atomizer | Performing Operations; Transporting | 8 | Expired |
| US3968931A | Pressure jet atomizer | Performing Operations; Transporting | 6 | Expired |
| US4019851A | High energy arc ignitor for burner | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US9676505B2 | Twister assembly for gripping, cutting, twisting, and ejecting a length of wire around one or more objects and methods to use the same | Performing Operations; Transporting | 1 | Active |
| US9828126B2 | Track assembly for bundling one or more objects and methods to use the same | Performing Operations; Transporting | 0 | Active |
| US8584438B2 | Apparatuses and methods for applying a strap around a bundle of objects | Performing Operations; Transporting | 0 | Active |
| US4035187A | Process for bleaching silver halide photographic elements containing anionic organic acid compounds | Emerging Cross-Sectional Technologies | 0 | Expired |
| US9745091B2 | Method for accumulating a strap within an accumulator of a strapping apparatus | Performing Operations; Transporting | 0 | Active |
| US11446451B2 | Inhaler | Human Necessities | 0 | Active |
| US11980711B2 | Inhaler | Human Necessities | 0 | Active |
| USD965766S1 | Transformable inhaler | General | 0 | Active |
| US4057428A | Photographic elements containing anionic organic acids | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.