Equalaire Systems, Inc.
32Patents
23Active
32Granted
49Portfolio score
Filing activity: Sep 22, 1992 → Oct 9, 2019 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5769979A | Rotary air connection for tire inflation system | Performing Operations; Transporting | 78 | Expired |
| US5287906A | Air control system for pneumatic tires on a vehicle | Performing Operations; Transporting | 59 | Expired |
| US6435238B1 | Combination of an automatic tire inflation system and anti-locking braking system | Physics | 47 | Expired |
| US6698482B2 | Rotary air connection with bearing for tire inflation system | Performing Operations; Transporting | 44 | Expired |
| US5767398A | Tire leak detector for an automatic inflation system | Performing Operations; Transporting | 40 | Expired |
| US5868881A | Rotary air coupling for tire inflation system | Performing Operations; Transporting | 40 | Expired |
| US6269691A | Automatic tire inflation system with booster pump | Performing Operations; Transporting | 37 | Expired |
| US6131631A | Press plug support for tire inflation system | Performing Operations; Transporting | 30 | Expired |
| US7416005B2 | Wheel end assembly high-temperature warning system | Emerging Cross-Sectional Technologies | 25 | Expired |
| US9789739B1 | Small trailer tire inflation system | Performing Operations; Transporting | 16 | Active |
| US10239364B2 | Small trailer tire inflation system | Performing Operations; Transporting | 8 | Active |
| US10166821B2 | Small trailer tire inflation system | Performing Operations; Transporting | 8 | Active |
| US8186403B2 | Wheel end assembly high-temperature warning system | Emerging Cross-Sectional Technologies | 7 | Active |
| US8910683B2 | Steer axle high-temperature warning system | Emerging Cross-Sectional Technologies | 6 | Active |
| US9346330B2 | System and method using a pressure reduction valve | Performing Operations; Transporting | 5 | Active |
| US8919401B2 | Wheel end assembly high-temperature warning system | Emerging Cross-Sectional Technologies | 4 | Active |
| US9375985B2 | Valve stem with auxiliary port | Emerging Cross-Sectional Technologies | 3 | Active |
| US9579937B2 | Tire management system | Performing Operations; Transporting | 3 | Active |
| US10696106B2 | Rotary union for automatic tire inflation system | Performing Operations; Transporting | 2 | Active |
| US9908373B2 | Rotary air connection with central valve for tire inflation system | Performing Operations; Transporting | 2 | Active |
| US10464379B2 | Tire management system | Performing Operations; Transporting | 2 | Active |
| US9227472B2 | Wheel end assembly high-temperature warning system | Emerging Cross-Sectional Technologies | 1 | Active |
| US10471782B2 | Steer axle tire inflation system | Performing Operations; Transporting | 1 | Active |
| USD850352S1 | Hub cap vent plug | General | 1 | Active |
| US10179484B2 | Steer axle high-temperature warning system | Emerging Cross-Sectional Technologies | 1 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.