David Lloyd Braun

Person

Woodbury, MN, US

People

Patents Grantslast 30 patents

Information Patent Grant
Diffusional gas transfer system and method of using same
- Patent number 6,248,153
- Issue date Jun 19, 2001
- 3M Innovative Properties Company
- David Lloyd Braun
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Respirator having a compressible press fir filter element
- Patent number 6,216,693
- Issue date Apr 17, 2001
- 3M Innovative Properties Company
- Peter O. Rekow
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Grant
Corrugated nonwoven webs of polymeric microfiber
- Patent number 6,010,766
- Issue date Jan 4, 2000
- 3M Innovative Properties Company
- David L. Braun
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Diffusional gas transfer system and method using same
- Patent number 5,976,220
- Issue date Nov 2, 1999
- 3M Innovative Properties Company
- David L. Braun
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Corrugating apparatus
- Patent number 5,961,778
- Issue date Oct 5, 1999
- Innovative Properties Company
- David L. Braun
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Apparel containing corrugated microfiber-containing thermal insulation
- Patent number 5,955,193
- Issue date Sep 21, 1999
- Minnesota Mining and Manufacturing Company
- David L. Braun
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Corrugating apparatus
- Patent number 5,830,311
- Issue date Nov 3, 1998
- Minnesota Mining and Manufacturing Company
- David L. Braun
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Fibrous filtration face mask having corrugated polymeric microfiber...
- Patent number 5,804,295
- Issue date Sep 8, 1998
- Minnesota Mining and Manufacturing Company
- David L. Braun
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Filter having corrugated nonwoven webs of polymeric microfiber
- Patent number 5,763,078
- Issue date Jun 9, 1998
- Minnesota Mining and Manufacturing Company
- David L. Braun
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Corrugated nonwoven webs of polymeric microfiber
- Patent number 5,753,343
- Issue date May 19, 1998
- Minnesota Mining and Manufacturing Company
- David L. Braun
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Fibrous filtration face mask having corrugated polymeric microfiber...
- Patent number 5,656,368
- Issue date Aug 12, 1997
- Minnesota Mining and Manufacturing Company
- David L. Braun
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Thermal insulation containing corrugated nonwoven web of polymeric...
- Patent number 5,639,700
- Issue date Jun 17, 1997
- Minnesota Mining and Manufacturing Company
- David L. Braun
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method of making a corrugated nonwoven web of polymeric microfiber
- Patent number 5,620,545
- Issue date Apr 15, 1997
- Minnesota Mining and Manufacturing Company
- David L. Braun
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Bonded adsorbent structures and respirators incorporating same
- Patent number 5,078,132
- Issue date Jan 7, 1992
- Minnesota Mining and Manufacturing Company
- David L. Braun
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Elastic strap fastener assembly
- Patent number 5,052,084
- Issue date Oct 1, 1991
- Minnesota Mining and Manufacturing Company
- David L. Braun
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Elastomeric filtration materials
- Patent number 5,035,240
- Issue date Jul 30, 1991
- Minnesota Mining and Manufacturing Company
- David L. Braun
- D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information Patent Grant
Bonded adsorbent structures and respirators incorporating same
- Patent number 5,033,465
- Issue date Jul 23, 1991
- Minnesota Mining and Manufacturing Company
- David L. Braun
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Unidirectional fluid valve
- Patent number 4,934,362
- Issue date Jun 19, 1990
- Minnesota Mining and Manufacturing Company
- David L. Braun
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Grant
Respiratory mask having a rigid or semi-rigid, insert-molded filtra...
- Patent number 4,790,306
- Issue date Dec 13, 1988
- Minnesota Mining and Manufacturing Company
- David L. Braun
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Multiple fluid pathway energy converter
- Patent number 4,583,911
- Issue date Apr 22, 1986
- Minnesota Mining and Manufacturing Company
- David L. Braun
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Powered air respirator and cartridge
- Patent number 4,462,399
- Issue date Jul 31, 1984
- Minnesota Mining and Manufacturing Company
- David L. Braun
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Grant
Particle-loaded microfiber sheet product and respirators made there...
- Patent number 3,971,373
- Issue date Jul 27, 1976
- Minnesota Mining and Manufacturing Company
- David L. Braun
- D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS

Patents Applicationslast 30 patents

Information Patent Application
Respirator having a compressible press fit filter element
- Publication number 20010013347
- Publication date Aug 16, 2001
- 3M Innovative Properties Company
- Peter O. Rekow
- A62 - LIFE-SAVING FIRE-FIGHTING

David Lloyd Braun

Person

Patents Grantslast 30 patents

Diffusional gas transfer system and method of using same

Respirator having a compressible press fir filter element

Corrugated nonwoven webs of polymeric microfiber

Diffusional gas transfer system and method using same

Corrugating apparatus

Apparel containing corrugated microfiber-containing thermal insulation

Corrugating apparatus

Fibrous filtration face mask having corrugated polymeric microfiber...

Filter having corrugated nonwoven webs of polymeric microfiber

Corrugated nonwoven webs of polymeric microfiber

Fibrous filtration face mask having corrugated polymeric microfiber...

Thermal insulation containing corrugated nonwoven web of polymeric...

Method of making a corrugated nonwoven web of polymeric microfiber

Bonded adsorbent structures and respirators incorporating same

Elastic strap fastener assembly

Elastomeric filtration materials

Bonded adsorbent structures and respirators incorporating same

Unidirectional fluid valve

Respiratory mask having a rigid or semi-rigid, insert-molded filtra...

Multiple fluid pathway energy converter

Powered air respirator and cartridge

Particle-loaded microfiber sheet product and respirators made there...

Patents Applicationslast 30 patents

Respirator having a compressible press fit filter element