Koltermann; Terry J.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Koltermann; Terry J..The latest application filed is for "enhanced backup ring edge features for metal face seal in roller cone drill bits".
Company Profile
0.21.29
- Koltermann; Terry J. - Corpus Christi TX
- Koltermann; Terry J. - The Woodlands TX
- Koltermann; Terry J. - Woodlands TX
- Koltermann; Terry J. - Pasadena TX
Patent Activity
| Patent | Date |
|---|---|
| Composite metallic elastomeric sealing components for roller cone drill bits Grant 10,151,148 - Curry , et al. Dec | 2018-12-11 |
| Enhanced backup ring edge features for metal face seal in roller cone drill bits Grant 9,249,629 - Lin , et al. February 2, 2 | 2016-02-02 |
| Enhanced Backup Ring Edge Features for Metal Face Seal in Roller Cone Drill Bits App 20150330152 - Lin; Chih ; et al. | 2015-11-19 |
| Enhanced backup ring features for metal face seal in roller cone drill bits Grant 9,157,280 - Lin , et al. October 13, 2 | 2015-10-13 |
| Composite Metallic Elastomeric Sealing Components for Roller Cone Drill Bits App 20150144406 - Curry; David A. ; et al. | 2015-05-28 |
| Composite metallic elastomeric sealing components for roller cone drill bits Grant 8,967,301 - Curry , et al. March 3, 2 | 2015-03-03 |
| Enhanced Backup Ring Features for Metal Face Seal in Roller Cone Drill Bits App 20140225327 - Lin; Chih ; et al. | 2014-08-14 |
| Enhanced Backup Ring Edge Features for Metal Face Seal in Roller Cone Drill Bits App 20140225328 - Lin; Chih ; et al. | 2014-08-14 |
| Conformal bearing for rock drill bit Grant 8,028,770 - Dick , et al. October 4, 2 | 2011-10-04 |
| Composite Metallic Elastomeric Sealing Components for Roller Cone Drill Bits App 20110187058 - Curry; David A. ; et al. | 2011-08-04 |
| Threaded cone retention system for roller cone bits Grant 7,975,779 - Zahradnik , et al. July 12, 2 | 2011-07-12 |
| Drilling tool with elastomer seal having graded properties Grant 7,914,006 - Smith , et al. March 29, 2 | 2011-03-29 |
| Conformal Bearing For Rock Drill Bit App 20110061940 - Dick; Aaron J. ; et al. | 2011-03-17 |
| Seal Ring With Auxiliary Ring for Earth-Boring Bit App 20110024199 - Zahradnik; Anton ; et al. | 2011-02-03 |
| Bearing Systems Containing Diamond Enhanced Materials And Downhole Applications For Same App 20110024198 - Dick; Aaron J. ; et al. | 2011-02-03 |
| Bearing Seal With Improved Contact Width App 20100147595 - Zahradnik; Anton F. ; et al. | 2010-06-17 |
| Excluder ring for earth-boring bit Grant 7,708,090 - Zahradnik , et al. May 4, 2 | 2010-05-04 |
| Threaded Cone Retention System For Roller Cone Bits App 20100071959 - Zahradnik; Anton F. ; et al. | 2010-03-25 |
| System, Method and Apparatus for Composite Seal Gland Insert in Roller Cone Rock Bit App 20100071960 - Curry; David A. ; et al. | 2010-03-25 |
| Earth Boring Bit with DLC Coated Bearing and Seal App 20090321146 - Dick; Aaron J. ; et al. | 2009-12-31 |
| Fiber Reinforced Pressure Compensator Diaphragm App 20090260888 - Dick; Aaron J. ; et al. | 2009-10-22 |
| Lubricated Diamond Bearing Drill Bit App 20090236147 - Koltermann; Terry J. ; et al. | 2009-09-24 |
| Non-Grease Type Bearing Lubricant App 20090229886 - Koltermann; Terry J. | 2009-09-17 |
| Downhole Tool Bearing System Containing Diamond Enhanced Materials App 20090205873 - Dick; Aaron J. ; et al. | 2009-08-20 |
| Roller Cone Bit Bearing, and Bearing Materials App 20090014217 - Zahradnik; Anton F. ; et al. | 2009-01-15 |
| Elastomer Material for High Temperature Roller Cone Bits App 20080257610 - Koltermann; Terry J. ; et al. | 2008-10-23 |
| System, method, and apparatus for contoured thrust surfaces between thrust washer and head for roller cone drill bit App 20080245577 - Zahradnik; Anton F. ; et al. | 2008-10-09 |
| Metal face seal for an earth-boring bit Grant 7,413,037 - Lin , et al. August 19, 2 | 2008-08-19 |
| Seal insert ring for roller cone bits Grant 7,392,862 - Zahradnik , et al. July 1, 2 | 2008-07-01 |
| Bearing insert sleeve for roller cone bit Grant 7,387,177 - Zahradnik , et al. June 17, 2 | 2008-06-17 |
| Bearing Insert Sleeve For Roller Cone Bit App 20080093128 - Zahradnik; Anton F. ; et al. | 2008-04-24 |
| Shirttails for reducing damaging effects of cuttings Grant 7,350,600 - Beuershausen , et al. April 1, 2 | 2008-04-01 |
| Excluder ring for earth-boring bit App 20080011518 - Zahradnik; Anton ; et al. | 2008-01-17 |
| Seal insert ring for roller cone bits App 20070158114 - Zahradnik; Anton F. ; et al. | 2007-07-12 |
| Shirttails for reducing damaging effects of cuttings Grant 7,182,162 - Beuershausen , et al. February 27, 2 | 2007-02-27 |
| Method for manufacturing a drilling tool with an elastomer seal having graded properties Grant 7,168,147 - Smith , et al. January 30, 2 | 2007-01-30 |
| Shirttails for reducing damaging effects of cuttings App 20060283638 - Beuershausen; Christopher C. ; et al. | 2006-12-21 |
| Earth boring bit lubricant chamber barrier member with dispersed fibers App 20060243494 - Koltermann; Terry J. ; et al. | 2006-11-02 |
| Gage surface scraper Grant 7,066,286 - Nguyen , et al. June 27, 2 | 2006-06-27 |
| Metal face seal App 20060060359 - Lin; Chih ; et al. | 2006-03-23 |
| Shirttails for reducing damaging effects of cuttings App 20060021800 - Beuershausen; Christopher C. ; et al. | 2006-02-02 |
| Method for manufacturing a drilling tool with an elastomer seal having graded properties App 20060005370 - Smith; Redd H. ; et al. | 2006-01-12 |
| Drilling tool with elastomer seal having graded properties App 20060006606 - Smith; Redd H. ; et al. | 2006-01-12 |
| Gage surface scraper App 20050211474 - Nguyen, Don Q. ; et al. | 2005-09-29 |
| Earth-boring bit with improved bearing seal Grant 6,142,249 - Zahradnik , et al. November 7, 2 | 2000-11-07 |
| Lubricating grease Grant 6,056,072 - Koltermann , et al. May 2, 2 | 2000-05-02 |
| Earth-boring bit with improved bearing seal Grant 6,026,917 - Zahradnik , et al. February 22, 2 | 2000-02-22 |
| Lubricating grease Grant 5,891,830 - Koltermann , et al. April 6, 1 | 1999-04-06 |
| Bearings grease for rock bit bearings Grant 5,015,401 - Landry , et al. May 14, 1 | 1991-05-14 |
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