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:
Jun. 22, 1993
Filed:
Mar. 30, 1992
Valere H Beelen, Sint-Truiden, BE;
Emerson Electric Co., St. Louis, MO (US);
Abstract
A hand lever actuated pump for testing a water line for leaks by pumping water into the line under pressure comprises a container for water to be pumped and a hand lever actuated piston and cylinder type pump having suction and discharge strokes in response to displacement of the hand lever in opposite directions about a lever axis. The piston and cylinder components of the pump are pivotally supported on the container and interconnected with the hand lever so as to provide a high flow rate during the initial part of the discharge stroke and a progressively increasing leverage for displacing the piston during the discharge stroke to provide high pressure discharge at the end of the discharge stroke with a low force application to the hand lever.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile