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:
Oct. 20, 1998
Filed:
Jun. 06, 1996
Applicant:
Inventors:
Roy N McBrayer, Jr, Austin, TX (US);
Jimmy G Swan, Alvin, TX (US);
John S Barber, Round Rock, TX (US);
Assignee:
RPC Waste Management Services, Inc., Austin, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05D / ;
U.S. Cl.
CPC ...
137 13 ; 137114 ; 137340 ; 417 32 ; 417 43 ;
Abstract
Systems and methods for pressure reduction, including a first conduit with a pressure sensor, a static restriction device, and second conduit connected therebetween. Fluid is introduced through the second conduit as a function of the pressure sensed by the pressure sensor, thereby compensating for fluctuations in sensed pressures due to restriction device degradation and other factors.