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:
Jan. 31, 2006
Filed:
Aug. 19, 2003
Michel K. Lovell, Marshalltown, IA (US);
Alan D. Bremers, Sherman, TX (US);
Michael M. Anderson, Marshalltown, IA (US);
Mark D. Stiehl, Marshalltown, IA (US);
Michel K. Lovell, Marshalltown, IA (US);
Alan D. Bremers, Sherman, TX (US);
Michael M. Anderson, Marshalltown, IA (US);
Mark D. Stiehl, Marshalltown, IA (US);
Fisher Controls International LLc., St. Louis, MO (US);
Abstract
A process control valve includes a valve stem, a valve plug. The valve stem and the valve plug are attached to one another by an arrangement that includes a locking pin that passes through substantially aligned bores in the valve stem and the valve plug. The locking pin is positively retained mechanically and prevented from extending outside of the bores in the valve stem and the valve plug.