Ted Dennis Grabau
20Patents
6h-index
17Co-inventors
66Inventor score
Filing activity: Sep 25, 1996 → Oct 15, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7963502B2 | Low friction live-loaded packing | Emerging Cross-Sectional Technologies | 71 | Active |
| US6345234B1 | Fugitive emission sensing system | Physics | 18 | Expired |
| US6840520B2 | Valve plug seal assembly | Emerging Cross-Sectional Technologies | 17 | Expired |
| US5823540A | Polymer reinforced fluid seal | Chemistry; Metallurgy | 11 | Expired |
| US7766045B2 | Fluid pressure reduction device for high pressure-drop ratios | Emerging Cross-Sectional Technologies | 11 | Active |
| US8622367B2 | Low friction live-loaded packing | Emerging Cross-Sectional Technologies | 6 | Active |
| US8152132B2 | Pneumatic actuator having diaphragm retention ring | Emerging Cross-Sectional Technologies | 5 | Active |
| US9528629B2 | Methods and apparatus to use vibration data to determine a condition of a process control device | Physics | 4 | Active |
| US10151397B2 | Composite valve plugs and related methods | Emerging Cross-Sectional Technologies | 2 | Active |
| US7976955B2 | Vulcanized rubber composition and articles manufactured therefrom | Emerging Cross-Sectional Technologies | 2 | Active |
| US10718727B2 | Valve prognostics for polymeric components based on accelerated aging techniques | Emerging Cross-Sectional Technologies | 2 | Active |
| US7288323B2 | Vulcanized rubber composition and articles manufactured therefrom | Emerging Cross-Sectional Technologies | 2 | Expired |
| US9341273B2 | Composite dynamic valve seal assembly for high temperature control valves | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US8839680B2 | Methods and apparatus for estimating a condition of a seal of a rotary valve | Physics | 2 | Active |
| US9052022B2 | Bellows energized seal assembly for a rotary control valve | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US9360128B2 | Graphite/metal valve seal assembly for high temperature control valves | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US11385138B2 | Laboratory testing-based valve prognostics | Emerging Cross-Sectional Technologies | 1 | Active |
| US11253941B2 | Predictive algorithm of welding distortion resultant from adding flanges to a butt weld or socket weld end of valve body casting | Emerging Cross-Sectional Technologies | 0 | Active |
| US10845272B2 | Laboratory testing-based valve prognostics | Emerging Cross-Sectional Technologies | 0 | Active |
| US10317896B2 | Methods and apparatus to use vibration data to determine a condition of a process control device | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.