Class F42B : EXPLOSIVE CHARGES, e.g. FOR BLASTING; FIREWORKS; AMMUNITION
Subclass 1/028: Explosive charges characterised by form or shape but not dependent on shape of container Shaped or hollow charges (blasting cartridges with cavities in the charge F42B 3/08; oil-winning using shaped-charge perforators E21B 43/116) characterised by the form of the liner
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 11965719 | Segment pressing of shaped charge powder metal liners | May 10, 22 | Apr 23, 24 | Halliburton Energy Services, Inc. |
| 11933148 | Tri-angled liner with jet shaper | Jun 12, 20 | Mar 19, 24 | Hunting Titan, Inc. |
| 11933580 | Shaped charges for focusing a fluid mass | Feb 08, 21 | Mar 19, 24 | The United States of America as represented by the Federal Bureau of Investigation, Department of Justice |
| 11913766 | Shaped charge integrated canister | Mar 10, 22 | Feb 27, 24 | Schlumberger Technology Corporation |
| 11774220 | Annular shaped-charge housing for blasting and method of using the same | Aug 18, 22 | Oct 03, 23 | Shandong University of Technology |
| 11753909 | Perforating gun system and method of use | Jun 02, 21 | Sep 12, 23 | DynaEnergetics Europe GmbH |
| 11732676 | Rocket motor with embedded burnable cutting explosive energetic material | Apr 01, 22 | Aug 22, 23 | Raytheon Company |
| 11719516 | Method of blasting using jet units charged in a blast-hole | Oct 20, 19 | Aug 08, 23 | Not available |
| 11719517 | Compact energetic-breaching apparatus | Feb 18, 22 | Aug 08, 23 | P3D SOLUTIONS, INC. |
| 11702912 | Shaped charge and method of modifying a shaped charge | Apr 13, 21 | Jul 18, 23 | QINETIQ LIMITED |
| 11692797 | Permanent magnet seed field system for flux compression generator | Apr 15, 20 | Jul 04, 23 | ENIG ASSOCIATES, INC. |
| 11662185 | Amorphous shaped charge component and manufacture | Oct 09, 18 | May 30, 23 | Dowell -- A Division of Schlumberger Technology Corporation |
| 11585646 | Shaped charge effect measurement | Nov 27, 18 | Feb 21, 23 | Halliburton Energy Services, Inc. |
| 11578953 | Perforation tool and laboratory testing system with an adjustable free interior volume | May 11, 20 | Feb 14, 23 | Halliburton Energy Services, Inc. |
| 11525652 | Preparation method of uniform low stress cone shaped charge liner | Dec 05, 18 | Dec 13, 22 | No.59 Research Institute of China Ordnance Industry |
| 11492877 | Closure member and encapsulated slotted shaped charge with closure member | Feb 16, 21 | Nov 08, 22 | DynaEnergetics Europe GmbH |
| 11486233 | Sympathetically detonated self-centering explosive device | Nov 18, 20 | Nov 01, 22 | Raytheon Company |
| 11428511 | Linear shaped charge and structure | Sep 30, 19 | Aug 30, 22 | LINEAR SHAPED LIMITED |
| 11378363 | Contoured liner for a rectangular slotted shaped charge | May 28, 19 | Jul 05, 22 | DynaEnergetics Europe GmbH |
| 11352860 | Shaped charge with ring shaped jet | Feb 01, 18 | Jun 07, 22 | Halliburton Energy Services, Inc. |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2024/0118,061 | SHAPED CHARGE DEVICES, SYSTEMS, AND RELATED METHODS OF USE | May 12, 23 | Apr 11, 24 | Not available |
| 2024/0068,767 | SURFACE MATERIAL ATTENUATION OF RAREFACTION SHOCK WAVES TO ENHANCE SHAPED-CHARGES | Dec 28, 22 | Feb 29, 24 | The United States of America as represented by the Federal Bureau of Investigation, Dept. of Justice |
| 2023/0349,677 | FOCUSED OUTPUT DETONATOR | Sep 15, 20 | Nov 02, 23 | DynaEnergetics Europe GmbH |
| 2023/0324,152 | METHOD OF BLASTING USING JET UNITS CHARGED IN A BLAST-HOLE | Jun 14, 23 | Oct 12, 23 | Not available |
| 2023/0052,273 | SHAPED CHARGE ASSEMBLY | Jan 21, 20 | Feb 16, 23 | Not available |
| 2022/0373,306 | LINEAR SHAPED CHARGE BACKSTOP | May 21, 21 | Nov 24, 22 | Not available |
| 2022/0325,991 | IMPROVEMENTS IN OR RELATING TO EXPLOSIVE CHARGES | May 07, 20 | Oct 13, 22 | Alford IP Limited |
| 2021/0404,777 | Shaped Charges for Focusing a Fluid Mass | Feb 08, 21 | Dec 30, 21 | The United States of America as represented by the Federal Bureau of Investigation, Dept. of Justice |
| 2021/0310,773 | Explosive Device Configured For Producing A Quasi-Planar Shock Wave | Jul 31, 19 | Oct 07, 21 | Not available |
| 2021/0302,134 | SHAPED CHARGE DEVICES, SYSTEMS, AND RELATED METHODS OF USE | Aug 07, 20 | Sep 30, 21 | Not available |
| 2021/0254,938 | CONTOURED LINER FOR A RECTANGULAR SLOTTED SHAPED CHARGE | May 28, 19 | Aug 19, 21 | DynaEnergetics Europe GmbH |
| 2021/0131,770 | Snap-on Liner Retention Device | Dec 11, 20 | May 06, 21 | Hunting Titan, Inc. |
| 2020/0191,535 | Further Improved Flexible Linear Charge System | Dec 28, 18 | Jun 18, 20 | Not available |
| 2020/0158,479 | SHAPED CHARGE | Jun 25, 18 | May 21, 20 | NEXTER MUNITIONS |
| 2020/0141,705 | LINEAR SHAPED CHARGE AND STRUCTURE | Sep 30, 19 | May 07, 20 | Not available |
| 2019/0203,569 | PERFORATING GUN | Oct 31, 17 | Jul 04, 19 | Not available |
| 2019/0113,315 | DEVICE AND METHOD FOR ENHACNING WELL PERFORATING | Apr 04, 18 | Apr 18, 19 | Not available |
| 2018/0299,234 | MODULAR GRADIENT-FREE SHAPED CHARGE | Aug 24, 17 | Oct 18, 18 | Not available |
| 2018/0291,715 | Downhole Perforating System | Jul 08, 16 | Oct 11, 18 | Halliburton Energy Services, Inc. |
| 2018/0283,831 | DUAL-FUNCTION PENETRATOR LINER FOR MULTIFUNCTIONAL WARHEAD | Mar 28, 18 | Oct 04, 18 | Not available |
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