Brian Walker
19Patents
8h-index
13Co-inventors
69Inventor score
Filing activity: Mar 18, 1977 → Jan 18, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4111815A | Filter elements for gas or liquid and methods of making such elements | Emerging Cross-Sectional Technologies | 64 | Expired |
| US4559066A | Filters for purification of gases | Performing Operations; Transporting | 61 | Expired |
| US4130487A | Filters for liquids or gases | Performing Operations; Transporting | 54 | Expired |
| US4272318A | Apparatus for making filter elements for gas or liquid | Performing Operations; Transporting | 37 | Expired |
| US4196027A | Method of making filter elements for gas or liquid | Emerging Cross-Sectional Technologies | 29 | Expired |
| US4360433A | Filter elements for gas or liquid | Performing Operations; Transporting | 20 | Expired |
| US6953498B2 | Adsorption gas dryer | Performing Operations; Transporting | 12 | Expired |
| US4303472A | Filter elements for gas or liquid and methods of making such filters | Performing Operations; Transporting | 8 | Expired |
| US7638008B2 | Polyurethane roller coating process for carpet backing | Emerging Cross-Sectional Technologies | 7 | Expired |
| US9568112B2 | Flow control device | Performing Operations; Transporting | 3 | Active |
| US6053277A | Silencer assembly for pressurized gases | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US7032325B2 | Electronic control device for gas dryer | Performing Operations; Transporting | 2 | Expired |
| US8262784B2 | Regenerative adsorption gas dryer | Performing Operations; Transporting | 2 | Active |
| US7179418B2 | Device and method for minimizing pathogens in heated water | Chemistry; Metallurgy | 1 | Expired |
| US6831257B2 | Control system for multiple heating towers a method for heating liquids and distributing operating wear amongst a plurality of heating towers | Mechanical Engineering; Lighting; Heating | 1 | Expired |
| US9604173B2 | Purification column | Performing Operations; Transporting | 1 | Active |
| US9364783B2 | Banked purification system | Emerging Cross-Sectional Technologies | 1 | Active |
| US10112141B2 | Purification column | Performing Operations; Transporting | 0 | Active |
| US9895639B2 | Filter assembly and filter element for use in the assembly | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.