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GIFFORD-HILL & COMPANY, INC.
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DALLAS, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Method of manufacturing prestressed concrete culverts
Patent number
4,953,280
Issue date
Sep 4, 1990
Gifford-Hill & Company, Inc.
James K. Kitzmiller
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Grant
Accelerator for portland cement derived from fertilizer
Patent number
4,897,120
Issue date
Jan 30, 1990
Gifford-Hill & Company, Inc.
Michael F. Pistilli
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Leveling washer
Patent number
D268094
Issue date
Mar 1, 1983
Gifford-Hill & Company, Inc.
Mark Radmaker
D08 - Tools and hardware
Information
Patent Grant
Trapped-axle conveyor roll
Patent number
4,311,226
Issue date
Jan 19, 1982
Gifford-Hill & Company, Inc.
Glen L. Thompson
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Spherical irrigation pipe coupling with replaceable seal
Patent number
4,161,331
Issue date
Jul 17, 1979
Gifford-Hill & Company, Inc.
James E. Hansen
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Irrigation sprinkling apparatus with adjustable ground contacting e...
Patent number
3,999,569
Issue date
Dec 28, 1976
Gifford-Hill & Company, Inc.
Herbert E. Lindner
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Universal coupling for movable irrigation pipes
Patent number
3,997,192
Issue date
Dec 14, 1976
Gifford-Hill & Company, Inc.
James E. Hansen
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Self-correcting linearly movable irrigation system
Patent number
3,974,845
Issue date
Aug 17, 1976
Gifford-Hill & Company, Inc.
Harald Indresaeter
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Self propelled sprinkling irrigation apparatus
Patent number
3,946,946
Issue date
Mar 30, 1976
Gifford-Hill & Company, Inc.
James E. Hansen
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
73732424 - CROWN-SPAN
Serial number
73732424
Registration number
1531988
Filing date
Jun 6, 1988
GIFFORD-HILL & COMPANY, INC.
19 - Building materials (non-metallic)
Information
Trademark
73660721 - SUPER-FLO
Serial number
73660721
Registration number
1474183
Filing date
May 14, 1987
GIFFORD-HILL & CO., INC.
19 - Building materials (non-metallic)
Information
Trademark
73660722 - SUPREME-FLO
Serial number
73660722
Registration number
1474184
Filing date
May 14, 1987
GIFFORD-HILL & CO., INC.
19 - Building materials (non-metallic)
Information
Trademark
73274095 - NRG
Serial number
73274095
Registration number
1186296
Filing date
Aug 14, 1980
Gifford-Hill & Company, Inc.
1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information
Trademark
73216240 - WATERGATE
Serial number
73216240
Registration number
1187631
Filing date
May 18, 1979
Gifford-Hill & Company, Inc.
17 - Rubber, gutta-percha, gum, asbestos, mica and goods made from these materials and not included in other classes
Information
Trademark
73176921 - SPAN-LINE
Serial number
73176921
Registration number
1133964
Filing date
Jul 3, 1978
GIFFORD-HILL & COMPANY, INC.
6 - Common metals and their alloys
Information
Trademark
73151597 - THRIFTY RAIN
Serial number
73151597
Registration number
1115227
Filing date
Dec 12, 1977
GIFFORD-HILL & COMPANY, INC.
11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
Information
Trademark
73151655 - MINI PIVOT
Serial number
73151655
Registration number
1115588
Filing date
Dec 12, 1977
GIFFORD-HILL & COMPANY, INC.
11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
Information
Trademark
73151654 - CORNER SAVER
Serial number
73151654
Registration number
1115091
Filing date
Dec 12, 1977
GIFFORD-HILL & COMPANY, INC.
11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
Information
Trademark
73103517 - GARCO
Serial number
73103517
Registration number
1065170
Filing date
Oct 18, 1976
GIFFORD-HILL & COMPANY, INC.
6 - Common metals and their alloys
Information
Trademark
73069193 - PRO-PANEL
Serial number
73069193
Registration number
1088506
Filing date
Nov 17, 1975
GIFFORD-HILL & COMPANY, INC.
6 - Common metals and their alloys
Information
Trademark
73065302 - GIFFORD-HILL
Serial number
73065302
Registration number
1096316
Filing date
Oct 8, 1975
GIFFORD-HILL & COMPANY, INC.
42 - Scientific and technological services and research and design relating thereto
Information
Trademark
72244901 - JET-BRASIVE
Serial number
72244901
Registration number
846877
Filing date
May 4, 1966
GIFFORD-HILL & COMPANY, INC.
3 - Bleaching preparations and other substances for laundry use
Information
Trademark
72214866 - GIFFORD-HILL
Serial number
72214866
Registration number
811879
Filing date
Mar 24, 1965
GIFFORD-HILL & COMPANY, INC.
37 - Building construction
Information
Trademark
73354026 - SYMBOL QUIK
Serial number
73354026
GIFFORD-HILL & COMPANY, INC.
16 - Paper, cardboard and goods made from these materials, not included in other classes