Gary P. Murray
35Patents
15h-index
22Co-inventors
81Inventor score
Filing activity: Feb 8, 1984 → Aug 21, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4798055A | Refrigeration system analyzer | Physics | 109 | Expired |
| US4688388A | Service station for refrigeration equipment | Mechanical Engineering; Lighting; Heating | 62 | Expired |
| US4523897A | Two stage vacuum pump | Mechanical Engineering; Lighting; Heating | 33 | Expired |
| US4631006A | Compact vacuum pump | Mechanical Engineering; Lighting; Heating | 33 | Expired |
| US4878356A | Storage tank scale for a refrigerant recovery system | Mechanical Engineering; Lighting; Heating | 30 | Expired |
| US6134899A | Refrigerant recovery and recharging system with automatic air purging | Mechanical Engineering; Lighting; Heating | 30 | Expired |
| US5095713A | Refrigerant handling system and method with multiple refrigerant capability | Physics | 29 | Expired |
| US6134896A | Background tank fill | Mechanical Engineering; Lighting; Heating | 29 | Expired |
| US5193351A | Refrigerant recovery and purification system | Mechanical Engineering; Lighting; Heating | 28 | Expired |
| US4879546A | Ultrasonic hand-held refrigerant leak detector | Physics | 25 | Expired |
| US5158747A | Apparatus for identifying and distinguishing different refrigerants | Physics | 24 | Expired |
| US5046322A | Electronic refrigerant transfer scale | Mechanical Engineering; Lighting; Heating | 21 | Expired |
| US6138462A | Refrigerant recovery and recharging system with automatic oil drain | Mechanical Engineering; Lighting; Heating | 18 | Expired |
| US6119475A | Tank unload apparatus | Mechanical Engineering; Lighting; Heating | 18 | Expired |
| US5493869A | Recovery of at least two different and incompatible refrigerant types | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US5603223A | Refrigerant handling with lubricant separation and draining | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US5209653A | Vacuum pump | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US4540353A | Two stage vacuum pump with shaft seal | Emerging Cross-Sectional Technologies | 8 | Expired |
| USRE33212E | Service station for refrigeration equipment | General | 7 | Expired |
| US8272228B2 | Apparatus to clear oil from the hoses and front end of a recovery recharge machine | Mechanical Engineering; Lighting; Heating | 5 | Active |
| US7854130B2 | Internal clearing function for a refrigerant recovery/recharge machine | Mechanical Engineering; Lighting; Heating | 4 | Active |
| US8261564B2 | Refrigerant recovery apparatus with variable vacuum time and method | Mechanical Engineering; Lighting; Heating | 4 | Active |
| US8572992B2 | Method for recovery and recharge of blend refrigerants with blend sent for reclamation | Mechanical Engineering; Lighting; Heating | 3 | Active |
| US8616011B2 | Internal clearing function for a refrigerant recovery/recharge machine | Mechanical Engineering; Lighting; Heating | 3 | Active |
| US5551247A | Refrigerant handling system and method especially for flammable and potentially flammable refrigerants | Emerging Cross-Sectional Technologies | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.