Roger Peterson
21Patents
8h-index
5Co-inventors
64Inventor score
Filing activity: Jun 9, 1992 → Jan 17, 2007
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6477906B1 | Automatic multi-sorbent tube air sampler | Physics | 40 | Expired |
| US5739420A | Ground water infiltration detection system | Physics | 17 | Expired |
| US5600075A | High pressure gas sample collection system | Physics | 12 | Expired |
| US5396812A | Sample system | Physics | 12 | Expired |
| US6067864A | Multiport valve system through which sample gas continuously flows in selected and non selected ports | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5939330A | Method and apparatus for gathering and preparing liquid samples for analysis | Emerging Cross-Sectional Technologies | 10 | Expired |
| US6324924A | Sampling system including a sample additive mixing feature | Physics | 10 | Expired |
| US5934375A | Deep well sample collection apparatus and method | Fixed Constructions | 8 | Expired |
| US5794695A | Method and apparatus for gathering and preparing liquid samples for analysis | Physics | 7 | Expired |
| US5279167A | Method and apparatus for providing a sample for testing for volatile emissions | Physics | 7 | Expired |
| US6158509A | Method and apparatus for gathering liquid sample using a submersible pump | Physics | 6 | Expired |
| US6038934A | Sampler apparatus and method of use | Physics | 5 | Expired |
| US8003813B2 | Process for separating saturated and unsaturated fatty acids | Emerging Cross-Sectional Technologies | 5 | Active |
| US5925833A | Process plant sample collection system and method | Physics | 4 | Expired |
| US5345828A | Process plant sample collection system and method | Physics | 4 | Expired |
| US5839509A | Method and apparatus for gathering liquid sample using a submersible pump | Physics | 4 | Expired |
| US6112604A | Process plant sample collection system and method | Physics | 3 | Expired |
| US5765585A | Sample decade dilution system and procedure | Emerging Cross-Sectional Technologies | 3 | Expired |
| US7465717B2 | Process for releasing and extracting phosphatides from a phosphatide-containing matrix | Human Necessities | 3 | Expired |
| US5933621A | Method and Apparatus for terminal emulation in a semiconductor fabricating facility | Electricity | 1 | Expired |
| US5473950A | Process plant sample collection method | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.