Copeland LP
346Patents
74Active
346Granted
61Portfolio score
Filing activity: Jul 10, 1975 → Aug 15, 2024 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6823680B2 | Remote data acquisition system and method | Mechanical Engineering; Lighting; Heating | 228 | Expired |
| US4877382A | Scroll-type machine with axially compliant mounting | Emerging Cross-Sectional Technologies | 224 | Expired |
| US6047557A | Adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor | Emerging Cross-Sectional Technologies | 191 | Expired |
| US6615594B2 | Compressor diagnostic system | Mechanical Engineering; Lighting; Heating | 172 | Expired |
| US6213731A | Compressor pulse width modulation | Mechanical Engineering; Lighting; Heating | 171 | Expired |
| US5630325A | Heat pump motor optimization and sensor fault detection | Emerging Cross-Sectional Technologies | 164 | Expired |
| US6324854A | Air-conditioning servicing system and method | Mechanical Engineering; Lighting; Heating | 162 | Expired |
| US5613841A | Capacity modulated scroll machine | Mechanical Engineering; Lighting; Heating | 160 | Expired |
| US5707210A | Scroll machine with overheating protection | Mechanical Engineering; Lighting; Heating | 156 | Expired |
| US5440895A | Heat pump motor optimization and sensor fault detection | Emerging Cross-Sectional Technologies | 156 | Expired |
| US5628201A | Heating and cooling system with variable capacity compressor | Emerging Cross-Sectional Technologies | 154 | Expired |
| US5741120A | Capacity modulated scroll machine | Emerging Cross-Sectional Technologies | 154 | Expired |
| US6412293B1 | Scroll machine with continuous capacity modulation | Mechanical Engineering; Lighting; Heating | 146 | Expired |
| US6758051B2 | Method and system for diagnosing a cooling system | Mechanical Engineering; Lighting; Heating | 143 | Expired |
| US6758050B2 | Compressor diagnostic system | Mechanical Engineering; Lighting; Heating | 137 | Expired |
| US5320506A | Oldham coupling for scroll compressor | Mechanical Engineering; Lighting; Heating | 133 | Expired |
| US5076067A | Compressor with liquid injection | Mechanical Engineering; Lighting; Heating | 131 | Expired |
| US5381669A | Overcharge-undercharge diagnostic system for air conditioner controller | Mechanical Engineering; Lighting; Heating | 129 | Expired |
| US6293767A | Scroll machine with asymmetrical bleed hole | Mechanical Engineering; Lighting; Heating | 129 | Expired |
| US6176686A | Scroll machine with capacity modulation | Mechanical Engineering; Lighting; Heating | 126 | Expired |
| US4767293A | Scroll-type machine with axially compliant mounting | Mechanical Engineering; Lighting; Heating | 122 | Expired |
| US5611674A | Capacity modulated scroll machine | Mechanical Engineering; Lighting; Heating | 117 | Expired |
| US5156539A | Scroll machine with floating seal | Mechanical Engineering; Lighting; Heating | 116 | Expired |
| US5102316A | Non-orbiting scroll mounting arrangements for a scroll machine | Mechanical Engineering; Lighting; Heating | 115 | Expired |
| US6302654A | Compressor with control and protection system | Physics | 114 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.