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. 15, 2019
Filed:
Mar. 27, 2017
Emerson Process Management Regulator Technologies Tulsa, Llc, Tulsa, OK (US);
Istvan Bartha, Odorheiu-Secuiesc, RO;
Cristian Amza, Cluj-Napoca, RO;
John Cockerham, Tulsa, OK (US);
Vlad Cristinel Hanceanu, Apahida, RO;
Silviu Vasile Rebreanu, Cluj-Napoca, RO;
Emerson Process Management Regulator Technologies Tulsa, LLC, Tulsa, OK (US);
Abstract
Thief hatches with diaphragm assisted sealing are disclosed. An example apparatus includes a base attachable to a tank, and a cover attachable to the base via a hinge. The example apparatus further includes a vacuum seal assembly couplable to the cover, and a diaphragm coupled to a stem of the vacuum seal assembly. The diaphragm is moveable in response to a pressure differential between a first pressure within the tank and a second pressure exterior to the tank.