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Class Information
Number: 102/320
Name: Ammunition and explosives > Blasting > Contained blasting charge > Having plural charges
Description: Subject matter wherein there are more than one contained blasting charge.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7284489 |
Casing conveyed well perforating apparatus and method |
Oct. 23, 2007 |
| 7228907 |
High energy gas fracturing charge device and method of use |
Jun. 12, 2007 |
| 7104326 |
Apparatus and method for severing pipe utilizing a multi-point initiation explosive device |
Sep. 12, 2006 |
| 7073589 |
System for fracturing wells using supplemental longer-burning propellants |
Jul. 11, 2006 |
| 6991044 |
High-energy combined well perforating device |
Jan. 31, 2006 |
| 6962202 |
Casing conveyed well perforating apparatus and method |
Nov. 8, 2005 |
| 6941871 |
Faceted expansion relief perforating device |
Sep. 13, 2005 |
| 6918334 |
Perforating gun firing head with vented block for holding detonator |
Jul. 19, 2005 |
| 6523449 |
Perforating gun |
Feb. 25, 2003 |
| 6439121 |
Perforating charge carrier and method of assembly for same |
Aug. 27, 2002 |
| 6422147 |
Sequential detonation of explosive charges |
Jul. 23, 2002 |
| 6283032 |
Projectile with controlled decomposition and integrated charge in the area of the effective mass |
Sep. 4, 2001 |
| 6220370 |
Circulating gun system |
Apr. 24, 2001 |
| 5612505 |
Dual mode warhead |
Mar. 18, 1997 |
| 5590723 |
Perforating charge carrier assembly |
Jan. 7, 1997 |
| 5463955 |
Transmission tube connector |
Nov. 7, 1995 |
| 5417162 |
Detonation coupling device |
May. 23, 1995 |
| 5388521 |
Method of reducing ground vibration from delay blasting |
Feb. 14, 1995 |
| 5095999 |
Through tubing perforating gun including a plurality of phased capsule charges mounted on a retrievable base strip via a plurality of shatterable support rings |
Mar. 17, 1992 |
| 5071496 |
Low level blasting composition |
Dec. 10, 1991 |
| 5054564 |
Well perforating apparatus |
Oct. 8, 1991 |
| 5024158 |
Multi-directional initiator for explosives |
Jun. 18, 1991 |
| 5022485 |
Method and apparatus for detonation of distributed charges |
Jun. 11, 1991 |
| 4991684 |
Method and apparatus for detonation of distributed charges |
Feb. 12, 1991 |
| 4951744 |
Angularly shaped unitary structured base strip comprised of a specific material adapted for phasing charges in a perforating gun |
Aug. 28, 1990 |
| 4901619 |
Shaped charge with barrier produced in situ |
Feb. 20, 1990 |
| 4844170 |
Well perforating gun and method |
Jul. 4, 1989 |
| 4832134 |
Shaped charge assembly with retaining clip |
May. 23, 1989 |
| 4815385 |
Blast focusing method and apparatus |
Mar. 28, 1989 |
| 4815384 |
Housing for joinable cutting charges |
Mar. 28, 1989 |
| 4800815 |
Shaped charge carrier |
Jan. 31, 1989 |
| 4716833 |
Method of assembling a tanged charge holder |
Jan. 5, 1988 |
| 4694754 |
Multi-phase charge holder |
Sep. 22, 1987 |
| 4632034 |
Redundant detonation initiators for use in wells and method of use |
Dec. 30, 1986 |
| 4498391 |
Explosive mine breaking apparatus with arc-suppressing heat-dissipating fluid around the charge bodies |
Feb. 12, 1985 |
| 4438699 |
Method for remote positioning of explosive charges in mining voids |
Mar. 27, 1984 |
| 4406226 |
Non-electric delay blasting method |
Sep. 27, 1983 |
| 4382410 |
Explosive blasting method and means |
May. 10, 1983 |
| 4357873 |
Apparatus for destroying structures such as concrete walls |
Nov. 9, 1982 |
| 4354433 |
Apparatus for cutting pipe |
Oct. 19, 1982 |
| 4348955 |
Explosive container |
Sep. 14, 1982 |
| 4347790 |
Explosive plug for blocking tubes |
Sep. 7, 1982 |
| 4339995 |
Method for destroying structures such as concrete walls |
Jul. 20, 1982 |
| 4314614 |
Method and apparatus for disarming and arming explosive oil well perforators |
Feb. 9, 1982 |
| 4313380 |
Distributed charge for seismic prospecting |
Feb. 2, 1982 |
| 4298063 |
Methods and apparatus for severing conduits |
Nov. 3, 1981 |
| 4295424 |
Explosive container for cast primer |
Oct. 20, 1981 |
| 4290486 |
Methods and apparatus for severing conduits |
Sep. 22, 1981 |
| 4289072 |
Earth fracturing apparatus |
Sep. 15, 1981 |
| 4282812 |
Field-primable chub cartridge having a longitudinal threading tunnel integral therewith |
Aug. 11, 1981 |
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