SULLAIR, LLC
24Patents
8Active
24Granted
40Portfolio score
Filing activity: Apr 24, 1975 → Sep 18, 2019 · 5 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5222874A | Lubricant cooled electric drive motor for a compressor | Mechanical Engineering; Lighting; Heating | 40 | Expired |
| US5388967A | Compressor start control and air inlet valve therefor | Mechanical Engineering; Lighting; Heating | 31 | Expired |
| US5456582A | Compressor inlet valve with improved response time | Mechanical Engineering; Lighting; Heating | 28 | Expired |
| US5246349A | Variable reluctance electric motor driven vacuum pump | Mechanical Engineering; Lighting; Heating | 24 | Expired |
| US6048101A | Thrust bearing arrangement | Mechanical Engineering; Lighting; Heating | 23 | Expired |
| US4024909A | Temperature responsive multi-function valve | Physics | 22 | Expired |
| US5020566A | Fuel supply system for portable engine driven equipment | Emerging Cross-Sectional Technologies | 18 | Expired |
| US3947078A | Rotary screw machine with rotor thrust load balancing | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US5028220A | Cooling and lubrication system for a vacuum pump | Emerging Cross-Sectional Technologies | 13 | Expired |
| US7334428B2 | Cooling system for a rotary screw compressor | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US5096598A | Pressurized purging of a liquid drain for a vacuum system | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4142765A | Rotor bearing assembly for rotary gas machine | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US7759828B2 | Integrated electric motor driven compressor | Electricity | 5 | Active |
| US7285882B2 | Integrated electric motor driven compressor | Electricity | 3 | Expired |
| US7083393B2 | Combination sight glass, strainer and orifice | Emerging Cross-Sectional Technologies | 2 | Expired |
| US8540034B2 | Pneumatic drill device | Performing Operations; Transporting | 2 | Active |
| US8274184B2 | Torus geometry motor system | Electricity | 1 | Active |
| US7336043B2 | Transistor matrix switched reluctance variable speed motor drive | Electricity | 1 | Expired |
| US5170059A | Optically coupled fast turn off load switch drive | Electricity | 1 | Expired |
| US8720601B2 | Pressurised air pick device with variable control | Performing Operations; Transporting | 0 | Active |
| US7942946B2 | Oil separator with raised holes in perforated tube | Performing Operations; Transporting | 0 | Active |
| US9392871B2 | Lift-off door for equipment enclosure | Human Necessities | 0 | Active |
| US11642618B2 | Oil sump tube | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US11667442B2 | Integrated lifting and pivoting device | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.