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Class Information
Number: 102/313
Name: Ammunition and explosives > Blasting > Borehole loading
Description: Subject matter including means for placing or inserting (a) an explosive, or (b) a fluid under high pressure capable of rapid expansion to break up material in a hollowed-out place.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 5007344 |
Dual firing system for a perforating gun |
Apr. 16, 1991 |
| 5005641 |
Gas generator with improved ignition assembly |
Apr. 9, 1991 |
| 5003880 |
Process for the impact healing of inner discontinuities or defects in the sub-surface region of a cast component |
Apr. 2, 1991 |
| 4984520 |
Enclosed perforating gun with expendable carrier |
Jan. 15, 1991 |
| 4966077 |
Loading of boreholes with explosive |
Oct. 30, 1990 |
| 4951744 |
Angularly shaped unitary structured base strip comprised of a specific material adapted for phasing charges in a perforating gun |
Aug. 28, 1990 |
| 4938143 |
Booster shaped for high-efficiency detonating |
Jul. 3, 1990 |
| 4936933 |
Process for preparing explosive |
Jun. 26, 1990 |
| 4919050 |
Well perforating device |
Apr. 24, 1990 |
| 4915029 |
Shaped charge carrier assembly method |
Apr. 10, 1990 |
| 4913233 |
Methods of field blasting of earth formations using inflatable devices for suspending explosives in boreholes |
Apr. 3, 1990 |
| 4900092 |
Barrel for rock breaking tool and method of use |
Feb. 13, 1990 |
| 4885993 |
Shaped charge with bifurcated projection for detonating cord |
Dec. 12, 1989 |
| 4875413 |
Apparatus for perforating wells |
Oct. 24, 1989 |
| 4869173 |
Blasting plug with plate members and plastic resin |
Sep. 26, 1989 |
| 4864933 |
Method of rock breakage by blasting |
Sep. 12, 1989 |
| 4860656 |
Joining metal tubes in a liquid environment |
Aug. 29, 1989 |
| 4852495 |
Shaped charge detonating cord retainer arrangement |
Aug. 1, 1989 |
| 4829902 |
Method for charging flowable explosives into upwardly extending boreholes |
May. 16, 1989 |
| 4815385 |
Blast focusing method and apparatus |
Mar. 28, 1989 |
| 4813358 |
Inflatable wand for loading a mining borehole |
Mar. 21, 1989 |
| 4807530 |
Expansive demolition agent |
Feb. 28, 1989 |
| 4800815 |
Shaped charge carrier |
Jan. 31, 1989 |
| 4798244 |
Tool and process for stimulating a subterranean formation |
Jan. 17, 1989 |
| 4787315 |
Apparatus for severing tubular members |
Nov. 29, 1988 |
| 4777880 |
Blasting method with above and below surface delays |
Oct. 18, 1988 |
| 4770097 |
Mining method with no delay between shot initiator and firing |
Sep. 13, 1988 |
| 4764231 |
Well stimulation process and low velocity explosive formulation |
Aug. 16, 1988 |
| 4762067 |
Downhole perforating method and apparatus using secondary explosive detonators |
Aug. 9, 1988 |
| 4757764 |
Nonelectric blasting initiation signal control system, method and transmission device therefor |
Jul. 19, 1988 |
| 4756779 |
Process for the production of particulate, water resistant explosives based on ammonium nitrate |
Jul. 12, 1988 |
| 4754705 |
Mechanical stemming construction for blast holes and method of use |
Jul. 5, 1988 |
| 4739707 |
Shaped charge carrier assembly |
Apr. 26, 1988 |
| 4718954 |
Explosive compositions |
Jan. 12, 1988 |
| 4702168 |
Sidewall core gun |
Oct. 27, 1987 |
| 4699060 |
Detonation arrestor device for bulk explosive materials transfer |
Oct. 13, 1987 |
| 4694727 |
Situ disposable gel canister |
Sep. 22, 1987 |
| 4690058 |
Smooth wall blasting in rock |
Sep. 1, 1987 |
| 4681037 |
Tanged charge holder |
Jul. 21, 1987 |
| 4669783 |
Process and apparatus for fragmenting rock and like material using explosion-free high pressure shock waves |
Jun. 2, 1987 |
| 4667599 |
Explosive cutting device with simultaneous detonation of opposite ends |
May. 26, 1987 |
| 4632034 |
Redundant detonation initiators for use in wells and method of use |
Dec. 30, 1986 |
| 4615752 |
Methods of pumping and loading emulsion slurry blasting compositions |
Oct. 7, 1986 |
| 4614156 |
Pressure responsive explosion initiator with time delay and method of use |
Sep. 30, 1986 |
| 4614146 |
Mix-delivery system for explosives |
Sep. 30, 1986 |
| 4592282 |
Charging apparatus for cartridged explosives |
Jun. 3, 1986 |
| 4586438 |
Borehole stemming with a column of liquefiable and/or vaporizable chunks of solid material |
May. 6, 1986 |
| 4585496 |
Method of producing high-density slurry/prill explosives in boreholes and product made thereby |
Apr. 29, 1986 |
| 4572075 |
Methods and apparatus for loading a borehole with explosives |
Feb. 25, 1986 |
| 4555278 |
Stable nitrate/emulsion explosives and emulsion for use therein |
Nov. 26, 1985 |
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