Andre Fortier
26Patents
12h-index
8Co-inventors
74Inventor score
Filing activity: Mar 13, 2001 → Jan 31, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD583641S1 | Hatchet | General | 43 | Expired |
| USD594727S1 | Axe | General | 42 | Expired |
| US7503203B2 | Rotary valve and analytical chromatographic system using the same | Emerging Cross-Sectional Technologies | 41 | Active |
| USD534045S1 | Round point shovel | General | 31 | Expired |
| USD592920S1 | Hand tool | General | 24 | Expired |
| USD602751S1 | Spade head | General | 21 | Expired |
| USD527960S1 | square point shovel and handle therefor | General | 20 | Expired |
| US7216528B2 | Diaphragm-sealed valve, analytical chromatographic system and method using the same | Emerging Cross-Sectional Technologies | 14 | Expired |
| USD546641S1 | Combined hoe/cultivator and handle | General | 14 | Expired |
| US8104506B2 | Diaphragm-sealed valve having intermediate communication ports | Emerging Cross-Sectional Technologies | 13 | Active |
| USD545647S1 | Combined leaf rake and handle | General | 13 | Expired |
| USD533754S1 | Garden spade | General | 12 | Expired |
| US6637277B2 | Fluid sampling device | Physics | 10 | Expired |
| US7451634B2 | Chromatographic methods for measuring impurities in a gas sample | Physics | 9 | Active |
| US7931043B2 | Diaphragm-sealed valve with process purging groove | Emerging Cross-Sectional Technologies | 7 | Active |
| US8794594B2 | Temperature compensated valve for gas chromatography | Emerging Cross-Sectional Technologies | 6 | Active |
| US8239171B2 | System and method of eliminating interference for impurities measurement in noble gases | Emerging Cross-Sectional Technologies | 6 | Active |
| USD546145S1 | Combined level head rake and handle | General | 5 | Expired |
| US7824471B2 | Chromatographic systems and methods for eliminating interference from interfering agents | Physics | 5 | Active |
| USD596906S1 | Handle | General | 5 | Expired |
| US8469057B2 | Diaphragm-sealed valve having a locking mechanism | Emerging Cross-Sectional Technologies | 4 | Active |
| US8851452B2 | Self-aligned plunger for chromatographic valve | Emerging Cross-Sectional Technologies | 4 | Active |
| US7028563B2 | Fluid sampling system and method thereof | Physics | 4 | Expired |
| US11937712B2 | Paper-based peg hook | Human Necessities | 1 | Active |
| US9004449B2 | Conical rotary valve for chromatographic applications | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.