Drenth; Christopher L.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Drenth; Christopher L..The latest application filed is for "continuous sampling drill bit".
Company Profile
29.80.60
- Drenth; Christopher L. - Ontario CA
- DRENTH; CHRISTOPHER L. - CALLANDER CA
- Drenth; Christopher L. - Burlington CA
- Drenth; Christopher L. - Draper UT
- - Draper UT US
- Drenth; Christopher L - Draper UT
- Drenth; Christopher L - North Bay CA
- Drenth; Christopher L. - North Bay CA
Patent Activity
| Patent | Date |
|---|---|
| Continuous Sampling Drill Bit App 20220290501 - Drenth; Christopher L. ; et al. | 2022-09-15 |
| High Speed Drilling System And Methods Of Using Same App 20220136329 - DRENTH; CHRISTOPHER L. | 2022-05-05 |
| Overshot assembly and systems and methods of using same Grant 11,268,340 - Drenth , et al. March 8, 2 | 2022-03-08 |
| Diamond bodies and tools for gripping drill rods Grant 11,213,932 - Drivdahl , et al. January 4, 2 | 2022-01-04 |
| Reverse-circulation drilling assemblies and methods of using same Grant 11,162,316 - Drenth , et al. November 2, 2 | 2021-11-02 |
| Reverse-circulation Drilling Assemblies And Methods Of Using Same App 20210156213 - Drenth; Christopher L. ; et al. | 2021-05-27 |
| Devices, Systems, And Methods For Wireless Data Acquisition During Drilling Operations App 20210079780 - DRENTH; CHRISTOPHER L. ; et al. | 2021-03-18 |
| Core Barrel Head Assembly With An Integrated Sample Orientation Tool And System For Using Same App 20210062600 - DRENTH; CHRISTOPHER L. ; et al. | 2021-03-04 |
| Drill string components resistant to jamming Grant 10,934,786 - Drenth , et al. March 2, 2 | 2021-03-02 |
| Continuous Sampling Drill Bit App 20210054695 - DRENTH; CHRISTOPHER L. ; et al. | 2021-02-25 |
| Continuous sampling drill bit Grant 10,907,413 - Drenth , et al. February 2, 2 | 2021-02-02 |
| Core barrel head assembly with an integrated sample orientation tool and system for using same Grant 10,830,013 - Drenth , et al. November 10, 2 | 2020-11-10 |
| Overshot Assembly And Systems And Methods Of Using Same App 20200217162 - DRENTH; CHRISTOPHER L. ; et al. | 2020-07-09 |
| Systems and methods for releasing a portion of a drill string from a drilled cable Grant 10,689,919 - Drenth , et al. | 2020-06-23 |
| Drill String Components Having Multiple-thread Joints App 20200181990 - DRENTH; CHRISTOPHER L. ; et al. | 2020-06-11 |
| Diamond Bodies And Tools For Gripping Drill Rods App 20200164492 - DRIVDAHL; KRISTIAN S. ; et al. | 2020-05-28 |
| Braking devices for drilling operations, and systems and methods of using same Grant 10,633,943 - Drenth , et al. | 2020-04-28 |
| Handling and recovery devices for tubular members and associated methods Grant 10,626,684 - Drenth , et al. | 2020-04-21 |
| Overshot assembly and systems and methods of using same Grant 10,626,692 - Drenth , et al. | 2020-04-21 |
| Drill rod having internally projecting portions Grant 10,626,681 - Drenth , et al. | 2020-04-21 |
| Continuous sampling drill bit Grant 10,626,676 - Drenth , et al. | 2020-04-21 |
| Core lifter Grant 10,612,308 - Drenth , et al. | 2020-04-07 |
| Percussive Drill String Assemblies And Systems And Methods Of Using Same App 20200087994 - HOGAN; JEFFREY ; et al. | 2020-03-19 |
| Drill string components having multiple-thread joints Grant 10,570,676 - Drenth , et al. Feb | 2020-02-25 |
| Drill string components having multiple-thread joints Grant 10,557,316 - Drenth Feb | 2020-02-11 |
| Core Barrel Head Assembly With An Integrated Sample Orientation Tool And System For Using Same App 20200024921 - DRENTH; Christopher L. ; et al. | 2020-01-23 |
| Reverse-circulation Drilling Assemblies And Methods Of Using Same App 20200003021 - DRENTH; CHRISTOPHER L. ; et al. | 2020-01-02 |
| Core barrel head assembly with an integrated sample orientation tool and system for using same Grant 10,465,463 - Drenth , et al. No | 2019-11-05 |
| Drill String Components Resistant To Jamming App 20190301248 - DRENTH; CHRISTOPHER L. ; et al. | 2019-10-03 |
| Drill string components resistant to jamming Grant 10,364,618 - Drenth , et al. | 2019-07-30 |
| Systems And Methods For Releasing A Portion Of A Drill String From A Drilled Cable App 20190203543 - Drenth; Christopher L. ; et al. | 2019-07-04 |
| Handling And Recovery Devices For Tubular Members And Associated Methods App 20190106949 - DRENTH; CHRISTOPHER L. ; et al. | 2019-04-11 |
| Systems and methods for releasing a portion of a drill string from a drilling cable Grant 10,253,575 - Drenth , et al. | 2019-04-09 |
| Braking Devices For Drilling Operations, And Systems And Methods Of Using Same App 20180328161 - DRENTH; CHRISTOPHER L. ; et al. | 2018-11-15 |
| Handling and recovery devices for tubular members and associated methods Grant 10,119,344 - Drenth , et al. November 6, 2 | 2018-11-06 |
| Core Barrel Head Assembly With An Integrated Sample Orientation Tool And System For Using Same App 20180305995 - DRENTH; CHRISTOPHER L. ; et al. | 2018-10-25 |
| Drill Rod Having Internally Projecting Portions App 20180291692 - Drenth; Christopher L. ; et al. | 2018-10-11 |
| Braking devices for drilling operations, and systems and methods of using same Grant 10,053,973 - Drenth , et al. August 21, 2 | 2018-08-21 |
| Core barrel head assembly with an integrated sample orientation tool and system for using same Grant 10,047,581 - Drenth , et al. August 14, 2 | 2018-08-14 |
| Drill String Components Having Multiple-thread Joints App 20180216420 - DRENTH; CHRISTOPHER L. ; et al. | 2018-08-02 |
| Drill rod having internally projecting portions Grant 10,024,117 - Drenth , et al. July 17, 2 | 2018-07-17 |
| Drill rod having internally projecting portions Grant 9,932,775 - Drenth , et al. April 3, 2 | 2018-04-03 |
| Drill String Components Resistant To Jamming App 20180044998 - DRENTH; CHRISTOPHER L. ; et al. | 2018-02-15 |
| Fluid Control Assemblies, And Core Barrel And Overshot Assemblies Comprising Same App 20180003000 - Drenth; Christopher L. ; et al. | 2018-01-04 |
| Drill string components having multiple-thread joints Grant 9,850,723 - Drenth , et al. December 26, 2 | 2017-12-26 |
| Drill string components resistant to jamming Grant 9,810,029 - Drenth , et al. November 7, 2 | 2017-11-07 |
| Core Lifter App 20170284160 - DRENTH; CHRISTOPHER L. ; et al. | 2017-10-05 |
| Drill Rod Having Internally Projecting Portions App 20170204678 - Drenth; Christopher L. ; et al. | 2017-07-20 |
| Drill Rod Having Internally Projecting Portions App 20170191320 - Drenth; Christopher L. ; et al. | 2017-07-06 |
| Core drilling tools with external fluid pathways Grant 9,689,222 - Drenth June 27, 2 | 2017-06-27 |
| Systems And Methods For Releasing A Portion Of A Drill String From A Drilling Cable App 20170167204 - DRENTH; CHRISTOPHER L. ; et al. | 2017-06-15 |
| Handling And Recovery Devices For Tubular Members And Associated Methods App 20170089152 - DRENTH; CHRISTOPHER L. ; et al. | 2017-03-30 |
| Braking Devices For Drilling Operations, And Systems And Methods Of Using Same App 20170089191 - DRENTH; CHRISTOPHER L. ; et al. | 2017-03-30 |
| Overshot Assembly And Systems And Methods Of Using Same App 20170051571 - DRENTH; CHRISTOPHER L. ; et al. | 2017-02-23 |
| Handling and recovery devices for tubular members and associated methods Grant 9,546,524 - Drenth , et al. January 17, 2 | 2017-01-17 |
| Overshot assembly and systems and methods of using same Grant 9,540,897 - Drenth , et al. January 10, 2 | 2017-01-10 |
| Core drilling tools with retractably lockable driven latch mechanisms Grant 9,399,898 - Muntz , et al. July 26, 2 | 2016-07-26 |
| High productivity core drilling system Grant 9,359,847 - Drenth June 7, 2 | 2016-06-07 |
| Driven latch mechanism Grant 9,328,608 - Drenth , et al. May 3, 2 | 2016-05-03 |
| Drill String Components Having Multiple-thread Joints App 20160024856 - DRENTH; CHRISTOPHER L. | 2016-01-28 |
| Core drilling tools with retractably lockable driven latch mechanisms Grant 9,234,398 - Drenth , et al. January 12, 2 | 2016-01-12 |
| Core Barrel Head Assembly With An Integrated Sample Orientation Tool And System For Using Same App 20150300162 - DRENTH; CHRISTOPHER L. ; et al. | 2015-10-22 |
| Handling And Recovery Devices For Tubular Members And Associated Methods App 20150184471 - Drenth; Christopher L. ; et al. | 2015-07-02 |
| Core Drilling Tools With External Fluid Pathways App 20150014064 - DRENTH; CHRISTOPHER L. | 2015-01-15 |
| Driven Latch Mechanism App 20140332279 - DRENTH; CHRISTOPHER L. ; et al. | 2014-11-13 |
| Core Lifter App 20140318206 - DRENTH; CHRISTOPHER L. ; et al. | 2014-10-30 |
| Core drilling tools with external fluid pathways Grant 8,869,918 - Drenth October 28, 2 | 2014-10-28 |
| Driven latch mechanism Grant 8,794,355 - Drenth , et al. August 5, 2 | 2014-08-05 |
| Pump-in seal Grant 8,770,319 - Drenth , et al. July 8, 2 | 2014-07-08 |
| Latch body components having multiple functions, and drilling head assembly incorporating same Grant 8,770,322 - Drenth , et al. July 8, 2 | 2014-07-08 |
| Core lifter Grant 8,770,320 - Drenth , et al. July 8, 2 | 2014-07-08 |
| Engineered Materials for Drill Rod Applications App 20140182945 - Drenth; Christopher L. ; et al. | 2014-07-03 |
| Engineered Materials For Drill Rod Applications App 20140182946 - Drenth; Christopher L. ; et al. | 2014-07-03 |
| Core Drilling Tools With Retractably Lockable Driven Latch Mechanisms App 20140174828 - Muntz; Charles Ernest ; et al. | 2014-06-26 |
| Overshot Assembly And Systems And Methods Of Using Same App 20140174832 - Drenth; Christopher L. ; et al. | 2014-06-26 |
| Drill String Components Having Multiple-thread Joints App 20140102808 - Drenth; Christopher L. | 2014-04-17 |
| Latch Body Components Having Multiple Functions, And Drilling Head Assembly Incorporating Same App 20140054093 - Drenth; Christopher L. ; et al. | 2014-02-27 |
| Helical drilling apparatus, systems, and methods Grant 8,616,303 - Rupp , et al. December 31, 2 | 2013-12-31 |
| Helical drilling apparatus, systems, and methods Grant 08616303 - | 2013-12-31 |
| Core Drilling Tools With Retractably Lockable Driven Latch Mechanisms App 20130313024 - Drenth; Christopher L. ; et al. | 2013-11-28 |
| Internal Tubing Cutter App 20130220615 - Drenth; Christopher L. ; et al. | 2013-08-29 |
| Drill String Components Resistant To Jamming App 20130220636 - Drenth; Christopher L. ; et al. | 2013-08-29 |
| Latch body Grant D687,862 - Drenth August 13, 2 | 2013-08-13 |
| Latch body Grant D687,863 - Drenth August 13, 2 | 2013-08-13 |
| Latch body Grant D687,864 - Drenth August 13, 2 | 2013-08-13 |
| Core drilling tools with retractably lockable driven latch mechanisms Grant 8,485,280 - Drenth , et al. July 16, 2 | 2013-07-16 |
| High Productivity Core Drilling System App 20130105227 - Drenth; Christopher L. | 2013-05-02 |
| Tube loader Grant D676,877 - Drenth , et al. February 26, 2 | 2013-02-26 |
| Drill String Components Resistant To Jamming App 20120273233 - Drenth; Christopher L. ; et al. | 2012-11-01 |
| Core barrel retracting case Grant D664,566 - Drenth July 31, 2 | 2012-07-31 |
| Core barrel latch body Grant D664,567 - Drenth July 31, 2 | 2012-07-31 |
| Hydro-percussive mechanisms for drilling systems Grant 8,127,864 - Ibrahim , et al. March 6, 2 | 2012-03-06 |
| Seal for head assembly Grant D650,052 - Drenth December 6, 2 | 2011-12-06 |
| Core barrel head assembly with tapered design Grant D649,167 - Drenth November 22, 2 | 2011-11-22 |
| Seal for head assembly Grant D649,228 - Drenth November 22, 2 | 2011-11-22 |
| Seal for head assembly Grant D648,836 - Drenth November 15, 2 | 2011-11-15 |
| Core barrel assemblies with braking devices Grant 8,051,925 - Drenth November 8, 2 | 2011-11-08 |
| Methods of braking core barrel assemblies Grant 8,051,924 - Drenth November 8, 2 | 2011-11-08 |
| Core barrel sleeve with axial grooves Grant D647,540 - Drenth October 25, 2 | 2011-10-25 |
| Core barrel head assembly with axial groove Grant D644,668 - Drenth September 6, 2 | 2011-09-06 |
| Core lifter Grant D644,673 - Drenth , et al. September 6, 2 | 2011-09-06 |
| Helical drilling apparatus, systems, and methods Grant 8,006,783 - Rupp , et al. August 30, 2 | 2011-08-30 |
| Core barrel assembly with tapered design Grant D643,859 - Drenth August 23, 2 | 2011-08-23 |
| Methods Of Braking Core Barrel Assemblies App 20110198127 - Drenth; Christopher L. | 2011-08-18 |
| Core Barrel Assemblies With Braking Devices App 20110198131 - Drenth; Christopher L. | 2011-08-18 |
| Core barrel latch body with axial grooves Grant D643,443 - Drenth August 16, 2 | 2011-08-16 |
| Braking devices for use in drilling operations Grant 7,967,085 - Drenth June 28, 2 | 2011-06-28 |
| Helical Drilling Apparatus, Systems, And Methods App 20110127086 - Rupp; Michael D. ; et al. | 2011-06-02 |
| Core Lifter App 20110100718 - Drenth; Christopher L. ; et al. | 2011-05-05 |
| Core Drilling Tools With External Fluid Pathways App 20110083901 - Drenth; Christopher L. | 2011-04-14 |
| Jointed spearhead assembly Grant 7,921,926 - Drenth , et al. April 12, 2 | 2011-04-12 |
| Core Drilling Tools With Retractably Lockable Driven Latch Mechanisms App 20110079436 - Drenth; Christopher L. ; et al. | 2011-04-07 |
| Driven Latch Mechanism App 20110079435 - Drenth; Christopher L. ; et al. | 2011-04-07 |
| Pump-in Seal App 20110079433 - Drenth; Christopher L. ; et al. | 2011-04-07 |
| Vibratory unit for drilling systems Grant 7,900,716 - Ibrahim , et al. March 8, 2 | 2011-03-08 |
| Core lifter Grant D625,346 - Drenth , et al. October 12, 2 | 2010-10-12 |
| Helical Drilling Apparatus, Systems, And Methods App 20100243331 - Rupp; Michael D. ; et al. | 2010-09-30 |
| Spearhead base Grant D624,564 - Drenth , et al. September 28, 2 | 2010-09-28 |
| Spearhead Grant D622,741 - Drenth , et al. August 31, 2 | 2010-08-31 |
| Spearhead Grant D622,293 - Drenth , et al. August 24, 2 | 2010-08-24 |
| Spearhead base Grant D622,294 - Drenth , et al. August 24, 2 | 2010-08-24 |
| Core lifter Grant D620,959 - Drenth , et al. August 3, 2 | 2010-08-03 |
| Hydro-percussive Mechanisims For Drilling Systems App 20100126772 - Ibrahim; George ; et al. | 2010-05-27 |
| Jointed Spearhead Assembly App 20090283327 - Drenth; Christopher L. ; et al. | 2009-11-19 |
| Braking Devices And Methods For Use In Drilling Operations App 20090260882 - Drenth; Christopher L. | 2009-10-22 |
| Vibratory Unit For Drilling Systems App 20090173542 - Ibrahim; George ; et al. | 2009-07-09 |
| Rod joint Grant 5,788,401 - Drenth August 4, 1 | 1998-08-04 |
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