Precision General, Inc.
17Patents
0Active
17Granted
32Portfolio score
Filing activity: Oct 2, 1987 → Mar 18, 1993
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4920626A | Stabilized connector flange for interconnecting an instrument manifold with an orifice plate assembly | Emerging Cross-Sectional Technologies | 51 | Expired |
| US4974308A | Method for interconnecting an instrument manifold with an orifice plate assembly | Emerging Cross-Sectional Technologies | 25 | Expired |
| US4930361A | Portable piston style sample cylinder | Physics | 23 | Expired |
| US5320133A | Flow system disconnect and method | Emerging Cross-Sectional Technologies | 20 | Expired |
| US5316351A | Hose swivel | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US5228474A | Flow system disconnect and method | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5074154A | Fluid sampling pump | Physics | 13 | Expired |
| US5191801A | Fluid sampling pump | Physics | 12 | Expired |
| US5257653A | Ejector pull away system and apparatus | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4862754A | Portable piston style sample cylinder | Physics | 10 | Expired |
| US5215120A | Apparatus and method for reducing valve emissions | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4819973A | Hermetic connection device and method of providing hermetic connection | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4745938A | Outside seal and yoke valve | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5325731A | Fluid flow and mounting system for a sampling pump | Physics | 5 | Expired |
| US5313975A | Gas lockout system | Emerging Cross-Sectional Technologies | 3 | Expired |
| US5109712A | Portable sample cylinder with reduced seal permeability | Emerging Cross-Sectional Technologies | 2 | Expired |
| US5173579A | Differential pressure switch including a vertical diaphragm, a reed switch activated by a first magnet and additional magnets for positioning the diaphragm and the first magnet | Electricity | 1 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.