SHAW DAVID N has a total of 11 patent applications. Its first patent ever was published in 1981. It filed its patents most often in United States, WIPO (World Intellectual Property Organization) and EPO (European Patent Office). Its main competitors in its focus markets engines, pumps and turbines, thermal processes and machines are EMERSON CLIMATE TECH GMBH, SUMITOMO (SHI) CRYOGENICS OF AMERICA INC and LIFSON ALEXANDER.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 5 | |
#2 | WIPO (World Intellectual Property Organization) | 3 | |
#3 | EPO (European Patent Office) | 2 | |
#4 | Canada | 1 |
# | Industry | |
---|---|---|
#1 | Engines, pumps and turbines | |
#2 | Thermal processes | |
#3 | Machines |
# | Technology | |
---|---|---|
#1 | Refrigerators | |
#2 | Pumps | |
#3 | Unspecified technologies | |
#4 | Rotary-pistons | |
#5 | Unspecified technologies | |
#6 | Internal-combustion piston engines | |
#7 | Controlling combustion engines |
# | Name | Total Patents |
---|---|---|
#1 | Shaw David N | 11 |
Publication | Filing date | Title |
---|---|---|
US2009304538A1 | Modular multi-rotor compressor and method of manufacture | |
US2006073026A1 | Oil balance system and method for compressors connected in series | |
CA2344782A1 | Boosted air source heat pump | |
WO9743585A1 | Series connected primary and booster compressors | |
EP0883784A1 | Boosted air source heat pump | |
EP0805923A1 | Multi-rotor helical-screw compressor | |
US4667646A | Expansion compression system for efficient power output regulation of internal combustion engines | |
US4332144A | Bottoming cycle refrigerant scavenging for positive displacement compressor, refrigeration and heat pump systems |