TACO, INC.
36Patents
14Active
36Granted
44Portfolio score
Filing activity: Feb 26, 1981 → Nov 12, 2021 · 4 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5622221A | Integrated zoning circulator with priority controller | Emerging Cross-Sectional Technologies | 133 | Expired |
| US5540414A | Actuator and zone valve | Mechanical Engineering; Lighting; Heating | 46 | Expired |
| US5466995A | Zoning circulator controller | Electricity | 40 | Expired |
| US5131623A | Actuator and zone valve | Mechanical Engineering; Lighting; Heating | 30 | Expired |
| US6186471A | Electronic motorized zone valve | Emerging Cross-Sectional Technologies | 26 | Expired |
| US6371440B1 | Electronic motorized zone valve | Emerging Cross-Sectional Technologies | 20 | Expired |
| US9401631B2 | Brushless DC motor with permanent magnet rotor | Emerging Cross-Sectional Technologies | 20 | Active |
| US4404483A | Method of fabricating a wet-rotor circulator and circulator produced thereby | Electricity | 18 | Expired |
| US5054516A | Automatic flow control valve | Emerging Cross-Sectional Technologies | 17 | Expired |
| US5205534A | Actuator and zone valve | Mechanical Engineering; Lighting; Heating | 17 | Expired |
| US5524670A | Automatic flow control valve | Emerging Cross-Sectional Technologies | 15 | Expired |
| US5174546A | Actuator and zone valve | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US5443207A | Integrated zoning circulator | Emerging Cross-Sectional Technologies | 11 | Expired |
| US6290207A | Electronic motorized zone valve | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4993010A | Laser disk cassette selecting system | Physics | 10 | Expired |
| US6250323A | Electronic motorized zone valve | Emerging Cross-Sectional Technologies | 9 | Expired |
| US7992527B2 | Water feed controller for a boiler | Emerging Cross-Sectional Technologies | 9 | Active |
| US6112545A | Single pipe closed loop reverse flow cooling and dehumidification system | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US5664939A | Circulator pump check valve | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US8511296B2 | Solar heating systems | Emerging Cross-Sectional Technologies | 7 | Active |
| US6742816B2 | Pipe flange and piping system | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US7044398B2 | Integrated fixture for transferring heat between higher and lower-temperature loops in a hydronic heating system | Emerging Cross-Sectional Technologies | 4 | Expired |
| US8594853B2 | Electronically controlled hot water recirculation pump | Mechanical Engineering; Lighting; Heating | 4 | Active |
| US7317993B2 | Fluid detector recognizing foam and surge conditions | Physics | 4 | Expired |
| US7708010B2 | Solar heating systems | Emerging Cross-Sectional Technologies | 3 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.