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:
Apr. 20, 2004
Filed:
Apr. 25, 2002
Applicant:
Inventor:
Gruber Friedrich, Hippach, AT;
Assignee:
Jenbacher Aktiengesellschaft, Jenbach, AU;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02B 2/310 ;
U.S. Cl.
CPC ...
F02B 2/310 ;
Abstract
A spark ignition internal combustion engine ( ), in particular an Otto-cycle gas engine, with at least one ignition device ( ) per cylinder ( ), wherein at least one piston ( ) has a recess ( ) in the piston head and wherein the recess ( ) in plan view on to the piston head is of a substantially heart-shaped shape which differs at least in a region-wise manner from a circular shape, wherein the shape of the recess ( ) in a plan view on to the piston head has precisely one axis of symmetry ( ).
Friedrich, Gruber. (2004). Spark ignition internal combustion engine (U.S. Patent No. 6722337). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6722337
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile