Inventor · disambiguated record
Carl Allison Perry
Also filed as: PERRY CARL A · PERRY CARL ALLISON
33 granted patents·973 citations·filing 1990–2021
98Inventor score
Files withAPS TECHNOLOGY INC10APS TECH INC8TELECO OILFIELD SERVICES INC4WASSELL MARK ELLSWORTH4GREEN STUART D3
Top patents by PatentIndex Score
33 records- 0196US8944190B2System and method for damping vibration in a drill stringAPS TECHNOLOGY INC·Filed 2014·Granted Feb 3, 2015·13 cites·20 claims
- 0294US7219752B2System and method for damping vibration in a drill stringAPS TECHNOLOGY INC·Filed 2004·Granted May 22, 2007·86 cites·26 claims
- 0393US5251708AModular connector for measurement-while-drilling toolBAKER HUGHES INC·Filed 1991·Granted Oct 12, 1993·134 cites·16 claims
- 0492US7762356B2Rotary steerable motor system for underground drillingAPS TECHNOLOGY INC·Filed 2008·Granted Jul 27, 2010·44 cites·28 claims
- 0592US5134285AFormation density logging mwd apparatusTELECO OILFIELD SERVICES INC·Filed 1991·Granted Jul 28, 1992·94 cites·61 claims
- 0691US8240401B2System and method for damping vibration in a drill stringWASSELL MARK ELLSWORTH·Filed 2011·Granted Aug 14, 2012·11 cites·10 claims
- 0791US7389830B2Rotary steerable motor system for underground drillingAPS TECHNOLOGY INC·Filed 2005·Granted Jun 24, 2008·42 cites·53 claims
- 0891US7152240B1Method for communication security and apparatus thereforGREEN STUART D·Filed 2000·Granted Dec 19, 2006·129 cites·18 claims
- 0990US8397562B2Apparatus for measuring bending on a drill bit operating in a wellWASSELL MARK ELLSWORTH·Filed 2009·Granted Mar 19, 2013·27 cites·1 claims
- 1089US7377339B2System and method for damping vibration in a drill stringAPS TECHNOLOGY INC·Filed 2007·Granted May 27, 2008·24 cites·10 claims
- 1188US8662205B2System and method for damping vibration in a drill stringWASSELL MARK ELLSWORTH·Filed 2012·Granted Mar 4, 2014·7 cites·14 claims
- 1287US9458679B2Apparatus and method for damping vibration in a drill stringTURNER WILLIAM EVANS·Filed 2011·Granted Oct 4, 2016·14 cites·36 claims
- 1387US7327634B2Rotary pulser for transmitting information to the surface from a drill string down hole in a wellAPS TECHNOLOGY INC·Filed 2004·Granted Feb 5, 2008·82 cites·48 claims
- 1484US7997357B2System and method for damping vibration in a drill stringAPS TECHNOLOGY INC·Filed 2008·Granted Aug 16, 2011·16 cites·7 claims
- 1580US5134783AThread timing for a rotary shouldered connectionTELECO OILFIELD SERVICES INC·Filed 1991·Granted Aug 4, 1992·42 cites·32 claims
- 1675US11162303B2Rotary steerable tool with proportional control valveAPS TECH INC·Filed 2019·Granted Nov 2, 2021·2 cites·35 claims
- 1775US9279903B2Apparatus for measuring bending on a drill bit operating in a wellWASSELL MARK ELLSWORTH·Filed 2013·Granted Mar 8, 2016·3 cites·16 claims
- 1873US10184301B2Downhole drilling tools and connection system for sameAPS TECH INC·Filed 2016·Granted Jan 22, 2019·2 cites·30 claims
- 1970US9540926B2Mud-pulse telemetry system including a pulser for transmitting information along a drill stringAPS TECH INC·Filed 2015·Granted Jan 10, 2017·2 cites·35 claims
- 2070US5144126AApparatus for nuclear logging employing sub wall mounted detectors and electronics, and modular connector assembliesTELECO OILFIED SERVICES INC·Filed 1990·Granted Sep 1, 1992·44 cites·48 claims
- 2169US7201239B1Power-generating device for use in drilling operationsAPS TECHNOLOGY INC·Filed 2004·Granted Apr 10, 2007·33 cites·28 claims
- 2269US5278758AMethod and apparatus for nuclear logging using lithium detector assemblies and gamma ray stripping meansBAKER HUGHES INC·Filed 1990·Granted Jan 11, 1994·42 cites·48 claims
- 2366US7716717B2Improving security of data communications networksGREEN STUART D·Filed 2006·Granted May 11, 2010·3 cites·26 claims
- 2465US9746080B2High pressure seal assembly for a moveable shaftAPS TECH INC·Filed 2014·Granted Aug 29, 2017·1 cites·12 claims
- 2563US5216242AApparatus for nuclear logging employing sub wall mounted detectors and modular connector assembliesTELECO OILFIELD SERVICES INC·Filed 1991·Granted Jun 1, 1993·29 cites·27 claims
- 2662US11624237B2Rotary steerable tool with proportional control valveAPS TECH INC·Filed 2021·Granted Apr 11, 2023·0 cites·24 claims
- 2758US9976413B2Pressure locking device for downhole toolsAPS TECH INC·Filed 2015·Granted May 22, 2018·1 cites·22 claims
- 2855US5126564AApparatus for nuclear logging employing sub wall mounted nuclear source container and nuclear source mounting toolTELECO OILFIELD SERVICES INC·Filed 1990·Granted Jun 30, 1992·28 cites·22 claims
- 2952US7249968B1Electrical connections for harsh conditionsAPS TECHNOLOGY INC·Filed 2004·Granted Jul 31, 2007·8 cites·7 claims
- 3047US11156735B2Acoustic logging toolAPS TECH INC·Filed 2018·Granted Oct 26, 2021·0 cites·30 claims
- 3146US10995611B2Downhole tool with multiple welded sectionAPS TECH INC·Filed 2018·Granted May 4, 2021·0 cites·30 claims
- 3245US8245274B2Method for communication security and apparatus thereforeGREEN STUART D·Filed 2010·Granted Aug 14, 2012·0 cites·34 claims
- 3345US6896050B2Latching system for maintaining position of component within a downhole drill string sectionAPS TECHNOLOGY INC·Filed 2003·Granted May 24, 2005·10 cites·34 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →