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:
Mar. 13, 1979
Filed:
Mar. 23, 1978
Applicant:
Inventor:
Alison R Bunting, Houston, TX (US);
Assignee:
Dresser Industries, Inc., Dallas, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16D / ; F16J / ;
U.S. Cl.
CPC ...
277 31 ;
Abstract
An improved rotary drill head is provided having a pair of seals installed in a seal cavity with lubricant maintained in the seal cavity between the seals. The lubricant is circulated from the seal cavity to a reservoir and back to the seal cavity thereby cooling the seals.
Bunting, Alison. (1979). Lubricant cooled rotary drill head seal (U.S. Patent No. 4143881). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4143881
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile