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.

Date of Patent:
Jul. 21, 2020

Filed:

Apr. 11, 2018
Applicant:

Hydra-stop Llc, Burr Ridge, IL (US);

Inventors:

Andrew J. Nelson, Chicago, IL (US);

Christopher C. Vazzana, Palos Park, IL (US);

Cole Strickland, Chicago, IL (US);

Carl Mastny, Crete, IL (US);

Assignee:

Hydra-Stop LLC, Burr Ridge, IL (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L 55/105 (2006.01); F16L 55/18 (2006.01); F16L 41/06 (2006.01);
U.S. Cl.
CPC ...
F16L 55/105 (2013.01); F16L 41/06 (2013.01); F16L 55/18 (2013.01);
Abstract

A gate valve cartridge, valve housing and installation assembly as well as a completion plug for a line stop fitting and installation assembly. The gate valve cartridge comprises a gate, a paddle, a threaded valve stem and a completion plug. Both completion plugs include an outer circumferential slot for accommodating a circumferential seal and both completion plugs also accommodate a normally-closed check valve. The check valves have an open distal end for receiving a check valve actuator and an open proximal end in communication with fluid disposed proximally of the circumferential seal.


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