Calmac Manufacturing Corporation
15Patents
0Active
15Granted
33Portfolio score
Filing activity: Mar 25, 1976 → Jul 15, 1996
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4294078A | Method and system for the compact storage of heat and coolness by phase change materials | Emerging Cross-Sectional Technologies | 77 | Expired |
| US4403645A | Compact storage of seat and coolness by phase change materials while preventing stratification | Emerging Cross-Sectional Technologies | 76 | Expired |
| US4112921A | Method and system for utilizing a flexible tubing solar collector | Emerging Cross-Sectional Technologies | 39 | Expired |
| US4608836A | Multi-mode off-peak storage heat pump | Emerging Cross-Sectional Technologies | 36 | Expired |
| US5005368A | Coolness storage air conditioner appliance | Emerging Cross-Sectional Technologies | 34 | Expired |
| US4286141A | Thermal storage method and system utilizing an anhydrous sodium sulfate pebble bed providing high-temperature capability | Emerging Cross-Sectional Technologies | 28 | Expired |
| US5598720A | Air bubble heat transfer enhancement system coolness storage apparatus | Emerging Cross-Sectional Technologies | 27 | Expired |
| US5720178A | Refrigeration system with isolation of vapor component from compressor | Mechanical Engineering; Lighting; Heating | 19 | Expired |
| US5353602A | Non-steady-state self-regulating intermittent flow thermodynamic system | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4761970A | Immiscible propellant and refrigerant pairs for ejector-type refrigeration systems | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| USRE29438E | Apparatus for creating and maintaining an ice slab | General | 8 | Expired |
| US4954278A | Eutectic composition for coolness storage | Chemistry; Metallurgy | 5 | Expired |
| US5452585A | Circulation of oil in refrigeration systems with immiscible refrigerant-oil combinations | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4687588A | Refrigerant mixture of trichlorofluoromethane and dichlorohexafluoropropane | Chemistry; Metallurgy | 4 | Expired |
| US5054298A | Ice-cap prevention barrier for an ice bank | Mechanical Engineering; Lighting; Heating | 3 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.