Dennis Z. Mraz

Person

Saskatoon, CA

People

Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for remote self-propelled conveying in mineral...
- Patent number 6,926,368
- Issue date Aug 9, 2005
- DM Technologies Ltd.
- Dennis Mraz
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for remote self-propelled conveying in mineral...
- Patent number 6,799,809
- Issue date Oct 5, 2004
- DM Technologies Ltd.
- Dennis Mraz
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for remote self-propelled conveying in mineral...
- Patent number 6,698,843
- Issue date Mar 2, 2004
- DM Technologies Ltd.
- Dennis Mraz
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for remote self-propelled conveying in mineral...
- Patent number 6,644,753
- Issue date Nov 11, 2003
- DM Technologies Ltd.
- Dennis Mraz
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for remote self-propelled conveying in mineral...
- Patent number 6,220,670
- Issue date Apr 24, 2001
- DM Technologies, Inc.
- Dennis Mraz
- E21 - EARTH DRILLING MINING
Information Patent Grant
Tow line equipped remote mining machine and method
- Patent number 6,109,699
- Issue date Aug 29, 2000
- DM Technologies, Ltd.
- Dennis Mraz
- E21 - EARTH DRILLING MINING
Information Patent Grant
Flexible mobile conveyor with multipivotal linkage
- Patent number 5,911,300
- Issue date Jun 15, 1999
- Dennis Mraz
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Apparatus for yielding support of rock
- Patent number 5,882,148
- Issue date Mar 16, 1999
- DM Technologies Ltd.
- Dennis Mraz
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for boring and shearing of rocks
- Patent number 5,836,658
- Issue date Nov 17, 1998
- Dennis Mraz
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for mining inclined mineral deposits
- Patent number 5,582,465
- Issue date Dec 10, 1996
- DM Technologies Ltd.
- Dennis Mraz
- E21 - EARTH DRILLING MINING
Information Patent Grant
Digital information recording by burning conductive spots with elec...
- Patent number 5,528,578
- Issue date Jun 18, 1996
- P.M. Investments Inc.
- Dennis Mraz
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for developing shafts using small diameter shafts
- Patent number 5,513,903
- Issue date May 7, 1996
- Deep Shaft Technology, Inc.
- Dennis Mraz
- E21 - EARTH DRILLING MINING
Information Patent Grant
Multipurpose mining machine
- Patent number 5,221,122
- Issue date Jun 22, 1993
- Mraz Project Consulting Services, Inc.
- Dennis Mraz
- E21 - EARTH DRILLING MINING
Information Patent Grant
Flexible mobile bridge conveyor
- Patent number 5,190,134
- Issue date Mar 2, 1993
- Westfalia DME, Inc.
- Dennis Z. Mraz
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Rock-stress measuring method
- Patent number 5,018,389
- Issue date May 28, 1991
- Engineered Instruments, Inc.
- Dennis Mraz
- E21 - EARTH DRILLING MINING
Information Patent Grant
Conveyor belt inversion device
- Patent number 4,986,413
- Issue date Jan 22, 1991
- DM Enterprises, Inc.
- Dennis Mraz
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Anchor device for securing rock bolts
- Patent number 4,976,571
- Issue date Dec 11, 1990
- Engineered Instruments, Inc.
- Dennis Z. Mraz
- E21 - EARTH DRILLING MINING
Information Patent Grant
Articulated mobile conveyor apparatus
- Patent number 4,951,801
- Issue date Aug 28, 1990
- DM Enterprises Inc.
- Dennis Z. Mraz
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Collapsible conveyor support structure/carrier
- Patent number 4,860,878
- Issue date Aug 29, 1989
- D M Enterprises Inc.
- Dennis Mraz
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Belt bender
- Patent number 4,842,130
- Issue date Jun 27, 1989
- D M Enterprises Inc.
- Dennis Mraz
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Anchor device for securing rock bolts
- Patent number 4,820,095
- Issue date Apr 11, 1989
- Engineered Instruments, Inc.
- Dennis Mraz
- E21 - EARTH DRILLING MINING
Information Patent Grant
Flood isolation dam
- Patent number 4,818,144
- Issue date Apr 4, 1989
- Dennis Mraz
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for effecting high pressure isolation of liquids
- Patent number 4,784,522
- Issue date Nov 15, 1988
- Dennis Mraz
- E21 - EARTH DRILLING MINING
Information Patent Grant
Belt storage unit
- Patent number 4,771,880
- Issue date Sep 20, 1988
- DM Enterprises Inc.
- Dennis Mraz
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Roof mounted conveyor idler frame
- Patent number 4,749,078
- Issue date Jun 7, 1988
- DM Enterprises Inc.
- Dennis Mraz
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

Information Patent Application
Method and apparatus for remote self-propelled conveying in mineral...
- Publication number 20060038438
- Publication date Feb 23, 2006
- Dennis Mraz
- E21 - EARTH DRILLING MINING
Information Patent Application
Method and apparatus for remote self-propelled conveying in mineral...
- Publication number 20050040692
- Publication date Feb 24, 2005
- Dennis Mraz
- E21 - EARTH DRILLING MINING
Information Patent Application
Method and apparatus for remote self-propelled conveying in mineral...
- Publication number 20020130546
- Publication date Sep 19, 2002
- Dennis Mraz
- E21 - EARTH DRILLING MINING
Information Patent Application
Method and apparatus for remote self-propelled conveying in mineral...
- Publication number 20020125760
- Publication date Sep 12, 2002
- Dennis Mraz
- E21 - EARTH DRILLING MINING
Information Patent Application
Method and apparatus for remote self-propelled conveying in mineral...
- Publication number 20010015573
- Publication date Aug 23, 2001
- Dennis Mraz
- E21 - EARTH DRILLING MINING

Dennis Z. Mraz

Person

Patents Grantslast 30 patents

Method and apparatus for remote self-propelled conveying in mineral...

Method and apparatus for remote self-propelled conveying in mineral...

Method and apparatus for remote self-propelled conveying in mineral...

Method and apparatus for remote self-propelled conveying in mineral...

Method and apparatus for remote self-propelled conveying in mineral...

Tow line equipped remote mining machine and method

Flexible mobile conveyor with multipivotal linkage

Apparatus for yielding support of rock

Method and apparatus for boring and shearing of rocks

Method and apparatus for mining inclined mineral deposits

Digital information recording by burning conductive spots with elec...

Method and apparatus for developing shafts using small diameter shafts

Multipurpose mining machine

Flexible mobile bridge conveyor

Rock-stress measuring method

Conveyor belt inversion device

Anchor device for securing rock bolts

Articulated mobile conveyor apparatus

Collapsible conveyor support structure/carrier

Belt bender

Anchor device for securing rock bolts

Flood isolation dam

Method and apparatus for effecting high pressure isolation of liquids

Belt storage unit

Roof mounted conveyor idler frame

Patents Applicationslast 30 patents

Method and apparatus for remote self-propelled conveying in mineral...

Method and apparatus for remote self-propelled conveying in mineral...

Method and apparatus for remote self-propelled conveying in mineral...

Method and apparatus for remote self-propelled conveying in mineral...

Method and apparatus for remote self-propelled conveying in mineral...