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Patents Grants
last 30 patents
Information
Patent Grant
Process for gas pressure regulation in the retort of a coke oven
Patent number
5,609,731
Issue date
Mar 11, 1997
Bergwerksverband GmbH
Hans J. Giertz
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Process for sealing out water leakage from geological rock formations
Patent number
5,560,736
Issue date
Oct 1, 1996
Bergwerksverband GmbH
Hans E. Mehesch
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Telemetry method for cable-drilled boreholes and method for carryin...
Patent number
5,560,437
Issue date
Oct 1, 1996
Bergwerksverband GmbH
Udo Dickel
E21 - EARTH DRILLING MINING
Information
Patent Grant
Survey process for cable core borings and device for implementing it
Patent number
5,553,677
Issue date
Sep 10, 1996
Bergwerksverband GmbH
Clemens Hinz
E21 - EARTH DRILLING MINING
Information
Patent Grant
Device for sequentially firing electrical detonators
Patent number
5,517,920
Issue date
May 21, 1996
Bergwerksverband GmbH
Clemens Hinz
F42 - AMMUNITION BLASTING
Information
Patent Grant
Process for the production of carbon molecular sieves
Patent number
5,498,589
Issue date
Mar 12, 1996
Bergwerksverband GmbH
Hans-Jurgen Schroter
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method of processing transient electromagnetic measurements in geop...
Patent number
5,467,018
Issue date
Nov 14, 1995
Bergwerksverband GmbH
Horst Ruter
G01 - MEASURING TESTING
Information
Patent Grant
Fluidized bed generator for allothermic gasification of coal
Patent number
5,439,491
Issue date
Aug 8, 1995
Bergwerksverband GmbH
Helmut Kubiak
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Reactor chamber door for large-scale coking reactors
Patent number
5,395,485
Issue date
Mar 7, 1995
Bergwerksverband GmbH
Gerd Nashan
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Tunneling machine with radially sweeping tool carriers
Patent number
5,360,260
Issue date
Nov 1, 1994
Bergwerksverband BmbH
Lothar E. Baumann
E21 - EARTH DRILLING MINING
Information
Patent Grant
Fluidized bed gas generator for allothermic gasification of coal
Patent number
5,346,515
Issue date
Sep 13, 1994
Bergwerksverband GmbH
Helmut Kubiak
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Process for obtaining nitrogen from air or nitrogen-containing gase...
Patent number
5,275,640
Issue date
Jan 4, 1994
Bergwerksverband GmbH
Hans J. Schroter
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for the production of carbon molecular sieves
Patent number
5,248,651
Issue date
Sep 28, 1993
Bergwerksverband GmbH
Klaus D. Henning
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Clinometer
Patent number
5,210,954
Issue date
May 18, 1993
Bergwerksverband GmbH
Reinhard Schafler
G01 - MEASURING TESTING
Information
Patent Grant
Container for bulk material with discharge chute
Patent number
5,181,633
Issue date
Jan 26, 1993
Bergwerksverband GmbH
Raymond Weber
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Process for manufacturing a carbonaceous catalyst for the reduction...
Patent number
5,179,058
Issue date
Jan 12, 1993
Bergwerksverband GmbH
Karl Knoblauch
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Pitch from coal tar pitch, method of its production, as well as app...
Patent number
5,128,021
Issue date
Jul 7, 1992
Bergwerksverband GmbH
Ingo Romey
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Process for at least partially separating a gaseous component from...
Patent number
5,108,467
Issue date
Apr 28, 1992
Bergwerksverband GmbH
Hans Schroter
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for helium enrichment
Patent number
5,089,048
Issue date
Feb 18, 1992
Bergwerksverband GmbH
Karl Knoblauch
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for helium recovery
Patent number
5,080,694
Issue date
Jan 14, 1992
Bergwerksverband GmbH
Karl Knoblauch
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for separating hydrocarbons from waste water
Patent number
5,069,795
Issue date
Dec 3, 1991
Bergwerksverband GmbH
Ingo Romey
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Process for the allothermic gasification of coal
Patent number
5,064,444
Issue date
Nov 12, 1991
Bergwerksverband GmbH
Helmut Kubiak
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Combined rigid profile and stretching roof bolt with expansion element
Patent number
5,018,919
Issue date
May 28, 1991
Bergwerksverband GmbH
Peter Stephan
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and apparatus for making drill holes under spatially restric...
Patent number
5,007,487
Issue date
Apr 16, 1991
Bergwerksverband GmbH
Olof Dahle
E21 - EARTH DRILLING MINING
Information
Patent Grant
Coking reactor
Patent number
4,990,220
Issue date
Feb 5, 1991
Bergwerksverband GmbH
Gerd Nashan
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Process for producing high purity oxygen gas from air
Patent number
4,985,052
Issue date
Jan 15, 1991
Seitetsu Kagaku Co., Ltd.
Kazuo Haruna
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Process for strengthening geological formations
Patent number
4,965,292
Issue date
Oct 23, 1990
Bayer Aktiengesellschaft
Hanns P. Muller
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Fluidized bed reactor having a housing case from steel
Patent number
4,961,705
Issue date
Oct 9, 1990
Bergwerksverband GmbH
Peter Schulz
F26 - DRYING
Information
Patent Grant
Reactor with moving layer for the removal of undesirable gaseous co...
Patent number
4,960,447
Issue date
Oct 2, 1990
Bergwerksverband GmbH
Hermann Bruggendick
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Process for producing an active carbon catalyst
Patent number
4,921,826
Issue date
May 1, 1990
Bergwerksverband GmbH
Harald Juntgen
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
73033977 - PRECARBON
Serial number
73033977
Registration number
1028445
Filing date
Oct 7, 1974
Bergwerksverband G.m.b.H.
7 - Machines and machine tools
Information
Trademark
72172465 - UNOR
Serial number
72172465
Registration number
767531
Filing date
Jul 5, 1963
Bergwerksverband G.m.b.H.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments