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:
Sep. 21, 2010
Filed:
Oct. 13, 2006
George S. Gabriel, Seaford, DE (US);
Neil E. Campbell, Eden, MD (US);
Dale Murray, Elkton, MD (US);
Rodney Gerringer, Forest Hill, MD (US);
Edward K. Eldreth, Port Deposit, MD (US);
George S. Gabriel, Seaford, DE (US);
Neil E. Campbell, Eden, MD (US);
Dale Murray, Elkton, MD (US);
Rodney Gerringer, Forest Hill, MD (US);
Edward K. Eldreth, Port Deposit, MD (US);
Lab Products, Inc., Seaford, DE (US);
Abstract
The present invention relates to a valve having a first assembly cooperating with a second assembly to create a seal, wherein the first assembly opens before the second assembly opens and closes after the second assembly closes. The invention also relates to a valve wherein the pressure required to open the second assembly is greater than the pressure required to open the first assembly.