Granted Patent
Utility
US 6,345,967 · App. 09/599,739
Scroll type fluid machine having different wrap side surface clearances
Inventors:
Yuugo Mukai, Isamu Tsubono, Isao Hayase, Takeshi Tsuchiya, Toshiyuki Terai, Mutsunori Matsunaga
Patented Case
View Patent ↗
Granted: Feb 12, 2002
Filed: Jun 23, 2000
Inventors
Yuugo Mukai
Isamu Tsubono
Isao Hayase
Takeshi Tsuchiya
Toshiyuki Terai
Mutsunori Matsunaga
Assignee (at issue)
Hitachi, Ltd., Trustee for Benefit of Air Conditiong Systems Co., Ltd.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.