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:
May. 28, 1996
Filed:
Aug. 18, 1995
Applicant:
Inventors:
Jeffrey Rosenberg, Tulsa, OK (US);
Steve Worthen, Tulsa, OK (US);
Assignee:
TDW Delaware, Inc., Wilmington, DE (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C / ;
U.S. Cl.
CPC ...
26427219 ; 264278 ; 264313 ; 264317 ;
Abstract
A method of manufacturing a spherical pigging device for passing through a pipeline by forming a water soluble spherical core, affixing numerous magnets to the surface of the core, suspending the core within a spherical mold, pouring a liquid between the mold and the core that will cure to form a spherical body, removing the spherical body and dissolving the core to leave a hollow spherical body with the magnets encased within it.
Quick Actions:
Rosenberg, Jeffrey. (1996). Method of manufacturing a spherical pigging device (U.S. Patent No. 5520871). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5520871
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile