Membership
Tour
Register
Log in
Dennis Cisneros
Follow
Person
Kingwood, TX, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Fixed cutter bit with backup cutter elements on primary blades
Patent number
7,703,557
Issue date
Apr 27, 2010
Smith International, Inc.
Bala Durairajan
E21 - EARTH DRILLING MINING
Information
Patent Grant
Roller cone drill bit shale diverter
Patent number
6,533,051
Issue date
Mar 18, 2003
Smith International, Inc.
Amardeep Singh
E21 - EARTH DRILLING MINING
Information
Patent Grant
Rolling cone bit with gage and off-gage cutter elements positioned...
Patent number
6,510,909
Issue date
Jan 28, 2003
Smith International, Inc.
Gary Ray Portwood
E21 - EARTH DRILLING MINING
Information
Patent Grant
Rolling cone bit with gage and off-gage cutter elements positioned...
Patent number
6,390,210
Issue date
May 21, 2002
Smith International, Inc.
Gary Ray Portwood
E21 - EARTH DRILLING MINING
Information
Patent Grant
Rolling cone bit having gage and nestled gage cutter elements havin...
Patent number
5,967,245
Issue date
Oct 19, 1999
Smith International, Inc.
Gary Edward Garcia
E21 - EARTH DRILLING MINING
Information
Patent Grant
Cutter element adapted to withstand tensile stress
Patent number
5,915,486
Issue date
Jun 29, 1999
Smith International, Inc.
Gary R. Portwood
E21 - EARTH DRILLING MINING
Information
Patent Grant
Steel tooth cutter element with gage facing knee
Patent number
5,868,213
Issue date
Feb 9, 1999
Smith International, Inc.
Dennis Cisneros
E21 - EARTH DRILLING MINING
Information
Patent Grant
Rock bit with an extended center jet
Patent number
5,853,055
Issue date
Dec 29, 1998
Smith International, Inc.
Michael A. Siracki
E21 - EARTH DRILLING MINING
Information
Patent Grant
Rolling cone steel tooth bit with enhancements in cutter shape and...
Patent number
5,839,526
Issue date
Nov 24, 1998
Smith International, Inc.
Dennis Cisneros
E21 - EARTH DRILLING MINING
Information
Patent Grant
Rolling cone bit with enhancements in cutter element placement and...
Patent number
5,833,020
Issue date
Nov 10, 1998
Smith International, Inc.
Gary Ray Portwood
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
Fixed Cutter Bit With Backup Cutter Elements on Primary Blades
Publication number
20080302575
Publication date
Dec 11, 2008
Smith International, Inc.
Bala Durairajan
E21 - EARTH DRILLING MINING
Information
Patent Application
Fixed Cutter Bit With Centrally Positioned Backup Cutter Elements
Publication number
20070261890
Publication date
Nov 15, 2007
Smith International, Inc.
Dennis Cisneros
E21 - EARTH DRILLING MINING
Information
Patent Application
Rolling cone bit with gage and off-gage cutter elements positioned...
Publication number
20020153171
Publication date
Oct 24, 2002
Smith International, Inc.
Gary Ray Portwood
E21 - EARTH DRILLING MINING