John L. Smith
30Patents
15h-index
17Co-inventors
78Inventor score
Filing activity: Jul 23, 1974 → Nov 17, 2003
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4853336A | Single channel continuous flow system | Emerging Cross-Sectional Technologies | 166 | Expired |
| US4602995A | Liquid level adjusting and filtering device | Physics | 64 | Expired |
| US3980457A | Pneumatic filter/separator with magnetically controlled fluid valve | Emerging Cross-Sectional Technologies | 56 | Expired |
| US4515753A | Integral reagent dispenser | Emerging Cross-Sectional Technologies | 49 | Expired |
| USD242942S | Housing for a revolving lamp | General | 31 | Expired |
| US4776255A | Minefield breaching | Mechanical Engineering; Lighting; Heating | 30 | Expired |
| US4107964A | Device for crimping tubular elements | Emerging Cross-Sectional Technologies | 26 | Expired |
| US3980732A | Powder coating resin process | Chemistry; Metallurgy | 24 | Expired |
| US4422773A | Apparatus and method for the non-invasive mixing of a flowing fluid stream | Physics | 22 | Expired |
| US4260467A | Static drop mercury electrode | Physics | 21 | Expired |
| US4706307A | Floating pool assembly | Fixed Constructions | 19 | Expired |
| US5099747A | Minefield breaching system | Mechanical Engineering; Lighting; Heating | 18 | Expired |
| US6733164B1 | Lamp apparatus, lamp and optical lens assembly and lamp housing assembly | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4071725A | Proximity switch for fluid cylinders | Electricity | 15 | Expired |
| USD245447S | Lens for a revolving lamp | General | 15 | Expired |
| US4536051A | Electrical interface arrangements | Physics | 14 | Expired |
| US4331019A | Device for crimping tubular elements | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4190714A | Powder coating resin process containing an aromatic carbonamide condensate | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4102943A | Powder coating resin process | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4071936A | Crimping apparatus | Emerging Cross-Sectional Technologies | 9 | Expired |
| US6935324B2 | Paintball munition chamber and paintball gun utilizing the same | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US4190715A | Powder coating resin composition containing a dicarbonamide or polycarbonamide condensate | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4133843A | Powder coating resin process | Chemistry; Metallurgy | 8 | Expired |
| US3980733A | Powder coating resin process | Chemistry; Metallurgy | 8 | Expired |
| US4048284A | Method and system for ion-exchanging particles | Performing Operations; Transporting | 8 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.