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:
Jun. 09, 2020
Filed:
Aug. 29, 2017
Enovate Systems Limited, Aberdeenshire, GB;
Paul Anderson, Aberdeen, GB;
Jeffrey Charles Edwards, Aberdeen, GB;
ENOVATE SYSTEMS LIMITED, Aberdeen, GB;
Abstract
A shear bladefor a downhole apparatuscomprises a body portionand a first cutting edgeprovided at a cutting end of the shear blade, the first cutting edgecomprising a sharp edgelocated at or near a central region of the first cutting edgeand at least one blunt edgelocated at or near at least one outer portion of the first cutting edge. In an embodiment, the shear bladehas a recess or slotwhich is provided at or near a central region of a shear faceand which extends partially between a first sideand a second sideand which is generally aligned with the sharp edgeof the first cutting edgein a plane substantially parallel to an axis of the throughbore and perpendicular to the first cutting edge