Rob A. Simmons

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Arlington, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Earth boring tool with improved arrangements of cutter side rakes
- Patent number 10,563,463
- Issue date Feb 18, 2020
- Ulterra Drilling Technologies, L.P.
- Rob A. Simmons
- E21 - EARTH DRILLING MINING
Information Patent Grant
Earth boring tool with improved arrangement of cutter side rakes
- Patent number 9,556,683
- Issue date Jan 31, 2017
- Ulterra Drilling Technologies, L.P.
- Rob A. Simmons
- E21 - EARTH DRILLING MINING
Information Patent Grant
Down-the-hole hammer with pilot and method of enlarging a hole
- Patent number 7,673,706
- Issue date Mar 9, 2010
- Sandvik Intellectual Property AB
- Rob A. Simmons
- E21 - EARTH DRILLING MINING
Information Patent Grant
Tin seat for rock drill insert
- Patent number 7,434,635
- Issue date Oct 14, 2008
- Sandvik Intellectual Property AB
- Rob A. Simmons
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Earth Boring Tool with Improved Arrangements of Cutter Side Rakes
- Publication number 20170211336
- Publication date Jul 27, 2017
- ULTERRA DRILLING TECHNOLOGIES, L.P.
- Rob A. Simmons
- E21 - EARTH DRILLING MINING
Information Patent Application
EARTH BORING TOOL WITH IMPROVED ARRANGEMENT OF CUTTER SIDE RAKES
- Publication number 20140151133
- Publication date Jun 5, 2014
- ULTERRA DRILLING TECHNOLOGIES, L.P.
- Rob A. Simmons
- E21 - EARTH DRILLING MINING
Information Patent Application
Air actuated down-the-hole hammer for rock drilling, a drill bit an...
- Publication number 20080099218
- Publication date May 1, 2008
- SANDVIK INTELLECTUAL PROPERTY AB
- Rob Simmons
- E21 - EARTH DRILLING MINING
Information Patent Application
TIN SEAT FOR ROCK DRILL INSERT
- Publication number 20080035384
- Publication date Feb 14, 2008
- Sandvik Intellectual Property AB
- Rob A. Simmons
- E21 - EARTH DRILLING MINING
Information Patent Application
DOWN-THE-HOLE HAMMER WITH PILOT AND METHOD OF ENLARGING A HOLE
- Publication number 20070227777
- Publication date Oct 4, 2007
- Sandvik Intellectual Property AB
- Rob A. Simmons
- E21 - EARTH DRILLING MINING