Paul Johnson
17Patents
11h-index
21Co-inventors
72Inventor score
Filing activity: Dec 17, 1990 → Feb 26, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5457951A | Improved liquefied natural gas fueled combined cycle power plant | Emerging Cross-Sectional Technologies | 140 | Expired |
| US6374591B1 | Liquified natural gas (LNG) fueled combined cycle power plant and a (LNG) fueled gas turbine plant | Emerging Cross-Sectional Technologies | 98 | Expired |
| US7412890B1 | Methods and apparatus for detecting cracks in welds | Emerging Cross-Sectional Technologies | 60 | Expired |
| USD391298S | Foldable graphic display tower | General | 49 | Expired |
| US5158297A | Golf clubs with integral alignment indicia | Human Necessities | 32 | Expired |
| USD396065S | Placard display stand | General | 32 | Expired |
| US6460350B2 | Vapor recovery system using turboexpander-driven compressor | Emerging Cross-Sectional Technologies | 21 | Expired |
| US6332011A | Ultrasonic examination of shroud weld from top of shroud flange ring | Emerging Cross-Sectional Technologies | 18 | Expired |
| US7694569B2 | Phased array ultrasonic water wedge apparatus | Physics | 18 | Active |
| US5763770A | Design of golf clubs with node line mapping | Physics | 14 | Expired |
| US9777963B2 | Method and system for radial tubular heat exchangers | Emerging Cross-Sectional Technologies | 12 | Active |
| US5234217A | Golf clubs with integral alignment indicia | Human Necessities | 11 | Expired |
| US5689918A | Sign post stabilizer | Fixed Constructions | 10 | Expired |
| US6938457B2 | Phased array ultrasonic reference block | Physics | 10 | Expired |
| US8534535B2 | Envelope with sealed display rack hole | Performing Operations; Transporting | 2 | Active |
| US7097328B2 | Luminaire heat sink | Mechanical Engineering; Lighting; Heating | 1 | Expired |
| US10539350B2 | Economizer used in chiller system | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.