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Ernest Laird Gladden
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Granby, CT, US
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Patents Grants
last 30 patents
Information
Patent Grant
Tubular signal transmission device and method of manufacture
Patent number
8,061,273
Issue date
Nov 22, 2011
Dyno Nobel Inc.
James Bayliss
C06 - EXPLOSIVES MATCHES
Information
Patent Grant
Non-electric detonator
Patent number
7,188,566
Issue date
Mar 13, 2007
Dyno Nobel Inc.
Ernest L. Gladden
F42 - AMMUNITION BLASTING
Information
Patent Grant
Method of making a signal transmission fuse
Patent number
6,347,566
Issue date
Feb 19, 2002
The Ensign-Bickford Company
Nickolay Iliych Rabotinsky
C06 - EXPLOSIVES MATCHES
Information
Patent Grant
Signal transmission fuse
Patent number
6,170,398
Issue date
Jan 9, 2001
The Ensign-Bickford Company
Nickolay Iliych Rabotinsky
C06 - EXPLOSIVES MATCHES
Information
Patent Grant
Fissile shock tube and method of making the same
Patent number
5,827,994
Issue date
Oct 27, 1998
The Ensign-Bickford Company
Ernest L. Gladden
C06 - EXPLOSIVES MATCHES
Information
Patent Grant
Detonators having multiple-line input leads
Patent number
5,747,722
Issue date
May 5, 1998
The Ensign-Bickford Company
Ernest L. Gladden
C06 - EXPLOSIVES MATCHES
Information
Patent Grant
Method and apparatus for transfer of initiation signals
Patent number
5,708,228
Issue date
Jan 13, 1998
The Ensign-Bickford Company
Daniel P. Sutula
C06 - EXPLOSIVES MATCHES
Information
Patent Grant
Connector for blast initiation system
Patent number
5,703,320
Issue date
Dec 30, 1997
The Ensign-Bickford Company
Frank J. Lucca
C06 - EXPLOSIVES MATCHES
Information
Patent Grant
Universal isolation member and non-electric detonator cap including...
Patent number
5,631,440
Issue date
May 20, 1997
The Ensign-Bickford Company
Gary R. Thureson
C06 - EXPLOSIVES MATCHES
Information
Patent Grant
Signal transmission fuse
Patent number
5,597,973
Issue date
Jan 28, 1997
The Ensign-Bickford Company
Ernest L. Gladden
C06 - EXPLOSIVES MATCHES
Information
Patent Grant
Cushion element for detonators and the like; apparatus and method o...
Patent number
5,522,318
Issue date
Jun 4, 1996
The Ensign-Bickford Company
Ernest L. Gladden
C06 - EXPLOSIVES MATCHES
Information
Patent Grant
Alternate signal path isolation member and non-electric detonator c...
Patent number
5,501,151
Issue date
Mar 26, 1996
The Ensign-Bickford Company
Gary R. Thureson
C06 - EXPLOSIVES MATCHES
Information
Patent Grant
Shock tube assembly
Patent number
5,413,046
Issue date
May 9, 1995
The Ensign-Bickford Company
Brian R. Sobczak
C06 - EXPLOSIVES MATCHES
Information
Patent Grant
Delay train ignition buffer
Patent number
5,031,538
Issue date
Jul 16, 1991
The Ensign-Bickford Company
Ronald M. Dufrane
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Information
Patent Grant
Impeded velocity signal transmission line
Patent number
4,838,165
Issue date
Jun 13, 1989
The Ensign-Bickford Company
Ernest L. Gladden
C06 - EXPLOSIVES MATCHES
Information
Patent Grant
Nonelectric blasting initiation signal control system, method and t...
Patent number
4,757,764
Issue date
Jul 19, 1988
The Ensign-Bickford Company
Gary R. Thureson
C06 - EXPLOSIVES MATCHES
Information
Patent Grant
Laminated fuse and manufacturing process therefor
Patent number
4,607,573
Issue date
Aug 26, 1986
Ensign-Bickford Industries, Inc.
Gary R. Thureson
C06 - EXPLOSIVES MATCHES
Information
Patent Grant
Non-electric double delay borehole downline unit for blasting opera...
Patent number
3,987,732
Issue date
Oct 26, 1976
The Ensign-Bickford Company
Richard William Spraggs
C06 - EXPLOSIVES MATCHES
Information
Patent Grant
Millisecond delay surface connector
Patent number
3,987,733
Issue date
Oct 26, 1976
The Ensign-Bickford Company
Richard William Spraggs
F42 - AMMUNITION BLASTING
Information
Patent Grant
Detonating cap assembly and connecting bushing
Patent number
3,981,240
Issue date
Sep 21, 1976
The Ensign-Bickford Company
Ernest Laird Gladden
F42 - AMMUNITION BLASTING
Patents Applications
last 30 patents
Information
Patent Application
Tubular signal transmission device and method of manufacture
Publication number
20070101889
Publication date
May 10, 2007
James Bayliss
F42 - AMMUNITION BLASTING
Information
Patent Application
Non-electric detonator
Publication number
20040200372
Publication date
Oct 14, 2004
Ernest L. Gladden
F42 - AMMUNITION BLASTING