The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 03, 2022
Filed:
Sep. 01, 2017
Applicant:
Lontra Limited, Warwickshire, GB;
Inventor:
Stephen Francis Lindsey, Warwickshire, GB;
Assignee:
LONTRA LIMITED, Southam, GB;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01C 3/02 (2006.01); F01C 19/02 (2006.01);
U.S. Cl.
CPC ...
F01C 3/02 (2013.01); F01C 3/025 (2013.01); F01C 19/02 (2013.01); F04C 2240/10 (2013.01); F04C 2240/20 (2013.01);
Abstract
A rotary piston and cylinder device () comprising a rotor (), a stator (), a rotatable shutter (), the rotor and the stator comprising surface portions which define a chamber, wherein the rotor comprises a first surface portion (A) and the stator comprises substantially two surface portions ('), and the two surface portions of the stator neighbour each other.