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HOUSTON, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Method for improving longevity of equipment for opening large, high...
Patent number
6,264,797
Issue date
Jul 24, 2001
Hahn & Clay
Charles Schroeder
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Automatic cover removal system
Patent number
6,254,733
Issue date
Jul 3, 2001
Hahn & Clay
Jinyang Lu
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Method of making crumb rubber
Patent number
5,624,078
Issue date
Apr 29, 1997
Hahn & Clay
Donald H. Bredbeck
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Rubber crumbing apparatus
Patent number
5,522,559
Issue date
Jun 4, 1996
Hahn & Clay
Donald H. Bredbeck
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Remotely operable vessel cover positioner
Patent number
5,221,019
Issue date
Jun 22, 1993
Hahn & Clay
Raymond E. Pechacek
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Method and system for installing a layered vessel on location
Patent number
4,632,617
Issue date
Dec 30, 1986
Hahn & Clay
Raymond E. Pechacek
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Frame for constructing a hemispherical multi-layered shell
Patent number
4,538,798
Issue date
Sep 3, 1985
Hahn & Clay
Raymond E. Pechacek
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Method and system for installing a layered vessel on location
Patent number
4,432,128
Issue date
Feb 21, 1984
Hahn & Clay
Raymond E. Pechacek
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Shell layer wrapping machine and method of positioning vessel secti...
Patent number
4,418,560
Issue date
Dec 6, 1983
Hahn & Clay
Raymond E. Pechacek
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method of making frame for the construction of hemispherical multi-...
Patent number
4,403,387
Issue date
Sep 13, 1983
Hahn & Clay
Raymond E. Pechacek
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Multi-layered vessel with discontinuity neutralizing area
Patent number
4,398,646
Issue date
Aug 16, 1983
Hahn & Clay
Raymond E. Pechacek
F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
Information
Patent Grant
Pressure vessel seal
Patent number
4,299,332
Issue date
Nov 10, 1981
Hahn & Clay
Raymond E. Pechacek
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Wrapping machine for layered vessels
Patent number
4,053,971
Issue date
Oct 18, 1977
Hahn & Clay
Raymond E. Pechacek
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Vessel assembly
Patent number
4,054,224
Issue date
Oct 18, 1977
Hahn & Clay
Raymond E. Pechacek
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Vessel connector
Patent number
4,009,798
Issue date
Mar 1, 1977
Hahn & Clay
Raymond E. Pechacek
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Trademark
last 30 trademarks
Information
Trademark
74050517 - FACT SYSTEM
Serial number
74050517
Registration number
1724552
Filing date
Apr 19, 1990
HAHN & CLAY
7 - Machines and machine tools
Information
Trademark
73020275
Serial number
73020275
Registration number
1014287
Filing date
May 1, 1974
HAHN & CLAY
37 - Building construction
Information
Trademark
72444621
Serial number
72444621
Registration number
994188
Filing date
Dec 26, 1972
HAHN & CLAY
37 - Building construction