Haskell Simpkins
28Patents
10h-index
59Co-inventors
78Inventor score
Filing activity: Aug 18, 1999 → Mar 25, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6485852B1 | Integrated fuel reformation and thermal management system for solid oxide fuel cell systems | Emerging Cross-Sectional Technologies | 116 | Expired |
| US6551734B1 | Solid oxide fuel cell having a monolithic heat exchanger and method for managing thermal energy flow of the fuel cell | Emerging Cross-Sectional Technologies | 74 | Expired |
| US6562496B2 | Integrated solid oxide fuel cell mechanization and method of using for transportation industry applications | Emerging Cross-Sectional Technologies | 69 | Expired |
| US6613468B2 | Gas diffusion mat for fuel cells | Emerging Cross-Sectional Technologies | 56 | Expired |
| US8037674B2 | System and method of NOx abatement | Emerging Cross-Sectional Technologies | 36 | Active |
| US7270906B2 | Solid-oxide fuel cell module for a fuel cell stack | Emerging Cross-Sectional Technologies | 25 | Expired |
| US6692859B2 | Fuel and air supply base manifold for modular solid oxide fuel cells | Emerging Cross-Sectional Technologies | 22 | Expired |
| US8801048B2 | Mechanical pipe coupling assembly without adhesive or bonding agent | Mechanical Engineering; Lighting; Heating | 15 | Active |
| US6512204B1 | Ion sensor glow plug assembly | Emerging Cross-Sectional Technologies | 13 | Expired |
| US9568127B2 | Mechanical pipe coupling assembly without adhesive or bonding agent | Mechanical Engineering; Lighting; Heating | 11 | Active |
| US9861371B2 | Surgical tool | Human Necessities | 10 | Active |
| US6248980A | Ion sensor glow plug assembly | Emerging Cross-Sectional Technologies | 9 | Expired |
| US6285007A | Ion sensor glow plug assembly | Emerging Cross-Sectional Technologies | 8 | Expired |
| US6215105A | Ion sensor glow plug assembly with coating between sheath and shell | Emerging Cross-Sectional Technologies | 8 | Expired |
| US7402292B2 | Device and methods of ammonia generation for NOx abatement | Mechanical Engineering; Lighting; Heating | 7 | Active |
| US9050850B2 | Micro motion poppet valve assembly for delivery of ink with large pigment particles to a writing nib and writing instrument comprising same | Performing Operations; Transporting | 6 | Active |
| US10631874B2 | Surgical tool | Human Necessities | 6 | Active |
| US6852200B2 | Non-thermal plasma reactor gas treatment system | Performing Operations; Transporting | 5 | Expired |
| US8048587B2 | Compliant current collector for fuel cell anode and cathode | Emerging Cross-Sectional Technologies | 4 | Active |
| US7435275B2 | System and method of heating an exhaust treatment device | Emerging Cross-Sectional Technologies | 4 | Expired |
| US7614222B2 | System and method for directing fluid flow | Emerging Cross-Sectional Technologies | 3 | Active |
| US7001685B2 | Fuel cell stack assembly load frame with compression spring | Emerging Cross-Sectional Technologies | 2 | Expired |
| US6465759B1 | Ion sensor glow plug assembly | Emerging Cross-Sectional Technologies | 2 | Expired |
| US6984466B2 | Manifold sizing and configuration for a fuel cell stack | Emerging Cross-Sectional Technologies | 1 | Expired |
| US7595085B2 | Ceramic assembly with a stabilizer layer | Emerging Cross-Sectional Technologies | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.