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:
Feb. 14, 1978
Filed:
Sep. 02, 1975
Applicant:
Inventors:
Jiri Mikule, Cologne, DT;
Wilfried Hecken, Cologne, DT;
Assignee:
Industrial Filter & Pump Mfg. Co., Cicero, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16k / ;
U.S. Cl.
CPC ...
137389 ; 127-9 ; 127 / ; 137403 ;
Abstract
There is described a process and apparatus which compares the pressure at the interface between the upper surface of a granular bed and the liquid in which it is submerged with the pressure above the liquid to maintain a predetermined head of liquid above the bed irrespective of expansion and contraction of the bed.
Mikule, Jiri. (1978). Method and apparatus for controlling the liquid level above a solid bed (U.S. Patent No. 4073310). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4073310
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile