Simmons; Rob A.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Simmons; Rob A..The latest application filed is for "earth boring tool with improved arrangements of cutter side rakes".

Company Profile

1.5.5

Simmons; Rob A. - Arlington TX
Simmons; Rob A. - Mansfield TX

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Earth boring tool with improved arrangements of cutter side rakes Grant 10,563,463 - Simmons , et al. Feb	2020-02-18
Earth Boring Tool with Improved Arrangements of Cutter Side Rakes App 20170211336 - Simmons; Rob A. ; et al.	2017-07-27
Earth boring tool with improved arrangement of cutter side rakes Grant 9,556,683 - Simmons , et al. January 31, 2	2017-01-31
Earth Boring Tool With Improved Arrangement Of Cutter Side Rakes App 20140151133 - Simmons; Rob A. ; et al.	2014-06-05
Down-the-hole hammer with pilot and method of enlarging a hole Grant 7,673,706 - Simmons March 9, 2	2010-03-09
Tin seat for rock drill insert Grant 7,434,635 - Simmons , et al. October 14, 2	2008-10-14
Tin Seat For Rock Drill Insert App 20080035384 - Simmons; Rob A. ; et al.	2008-02-14
Down-the-hole Hammer With Pilot And Method Of Enlarging A Hole App 20070227777 - Simmons; Rob A.	2007-10-04
Bit head retaining system and method of installing a bit head in a percussion drill Grant 6,938,710 - Simmons September 6, 2	2005-09-06
Bit head retaining system and method of installing a bit head in a percussion drill App 20040262042 - Simmons, Rob A.	2004-12-30

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