William L. Smith
110Patents
21h-index
94Co-inventors
93Inventor score
Filing activity: Jul 22, 1976 → Mar 2, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5394655A | Semiconductor polishing pad | Performing Operations; Transporting | 83 | Expired |
| US4972017A | Rinse soluble polymer film composition for wash additives | Chemistry; Metallurgy | 53 | Expired |
| US5055219A | Viscoelastic cleaning compositions and methods of use therefor | Chemistry; Metallurgy | 49 | Expired |
| US4900467A | Viscoelastic cleaning compositions with long relaxation times | Chemistry; Metallurgy | 35 | Expired |
| US6046150A | Liquid compositions containing N-alkyl ammonium acetonitrile salts | Electricity | 34 | Expired |
| US5336426A | Phase stable viscoelastic cleaning compositions | Chemistry; Metallurgy | 30 | Expired |
| US5011538A | Viscoelastic cleaning compositions and methods of use therefor | Chemistry; Metallurgy | 28 | Expired |
| US5389157A | Viscoelastic cleaning compositions with long relaxation times | Chemistry; Metallurgy | 28 | Expired |
| US5741437A | N-alkyl ammonium acetonitrile bleach activators | Electricity | 26 | Expired |
| US4648987A | Thickened aqueous prewash composition | Chemistry; Metallurgy | 26 | Expired |
| US8765114B2 | Anionic micelles with cationic polymeric counterions methods thereof | Chemistry; Metallurgy | 26 | Active |
| US5379903A | Electric hair clipper utility board | Electricity | 26 | Expired |
| US5739327A | N-alkyl ammonium acetonitrile bleach activators | Electricity | 26 | Expired |
| US4839077A | Thickened bleach composition | Chemistry; Metallurgy | 25 | Expired |
| US5034150A | Thickened hypochlorite bleach solution and method of use | Chemistry; Metallurgy | 25 | Expired |
| US4153466A | Compositions comprising phosphate salts of poly-2-oxazoline and fire retardant formulations | Emerging Cross-Sectional Technologies | 24 | Expired |
| US8933010B2 | Cationic micelles with anionic polymeric counterions compositions thereof | Human Necessities | 23 | Active |
| US9273220B2 | Polyelectrolyte complexes | Chemistry; Metallurgy | 23 | Active |
| US4801636A | Rinse soluble polymer film composition for wash additives | Chemistry; Metallurgy | 22 | Expired |
| US8993505B2 | Precursor polyelectrolyte complexes compositions | Performing Operations; Transporting | 22 | Active |
| US9012389B2 | Precursor polyelectrolyte complexes compositions | Performing Operations; Transporting | 22 | Active |
| US8728454B1 | Cationic micelles with anionic polymeric counterions compositions thereof | Human Necessities | 20 | Active |
| US7718122B2 | Carriers for hypochlorous acid vapor | Human Necessities | 20 | Active |
| US4024584A | Pad and garment assembly | Human Necessities | 19 | Expired |
| US8728530B1 | Anionic micelles with cationic polymeric counterions compositions thereof | Chemistry; Metallurgy | 18 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.