Thomas Ohnstein
33Patents
18h-index
38Co-inventors
81Inventor score
Filing activity: Dec 27, 1989 → Sep 13, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6215221A | Electrostatic/pneumatic actuators for active surfaces | Emerging Cross-Sectional Technologies | 212 | Expired |
| US5822170A | Hydrophobic coating for reducing humidity effect in electrostatic actuators | Electricity | 180 | Expired |
| US5176358A | Microstructure gas valve control | Mechanical Engineering; Lighting; Heating | 172 | Expired |
| US5323999A | Microstructure gas valve control | Mechanical Engineering; Lighting; Heating | 171 | Expired |
| US5082242A | Electronic microvalve apparatus and fabrication | Mechanical Engineering; Lighting; Heating | 170 | Expired |
| US5441597A | Microstructure gas valve control forming method | Mechanical Engineering; Lighting; Heating | 167 | Expired |
| US5244537A | Fabrication of an electronic microvalve apparatus | Mechanical Engineering; Lighting; Heating | 161 | Expired |
| US6597438B1 | Portable flow cytometry | Emerging Cross-Sectional Technologies | 140 | Expired |
| US6288472A | Electrostatic/pneumatic actuators for active surfaces | Emerging Cross-Sectional Technologies | 132 | Expired |
| US5901939A | Buckled actuator with enhanced restoring force | Emerging Cross-Sectional Technologies | 120 | Expired |
| US6382228B1 | Fluid driving system for flow cytometry | Emerging Cross-Sectional Technologies | 109 | Expired |
| US5483387A | High pass optical filter | Physics | 108 | Expired |
| US5180623A | Electronic microvalve apparatus and fabrication | Emerging Cross-Sectional Technologies | 104 | Expired |
| US6240944A | Addressable valve arrays for proportional pressure or flow control | Emerging Cross-Sectional Technologies | 88 | Expired |
| US6445514B1 | Micro-positioning optical element | Electricity | 30 | Expired |
| US5533393A | Determination of dew point or absolute humidity | Physics | 27 | Expired |
| US8398239B2 | Wearable eye tracking system | Physics | 22 | Active |
| US7944317B2 | Cold atom micro primary standard | Physics | 20 | Active |
| US5929542A | Micromechanical stepper motor | Emerging Cross-Sectional Technologies | 18 | Expired |
| US7965147B2 | Physics package design for a cold atom primary frequency standard | Physics | 15 | Active |
| US7154362B2 | Robotic member | Electricity | 10 | Expired |
| US7112463B2 | Method for making devices using ink jet printing | Physics | 4 | Expired |
| US10840078B1 | Enclosure for ion trapping device | Electricity | 3 | Active |
| US10553414B2 | Apparatus and method for trapping multiple ions generated from multiple sources | Electricity | 3 | Active |
| US9585237B2 | Micro-structured atomic source system | Performing Operations; Transporting | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.