-
Pipeline caliper pig
-
Patent number 4,953,412
-
Issue date Sep 4, 1990
-
T. D. Williamson, Inc.
-
Jeffrey S. Rosenberg
-
G01 - MEASURING TESTING
-
Foam pig with textured surface
-
Patent number 4,797,239
-
Issue date Jan 10, 1989
-
T. D. Williamson, Inc.
-
Hyun J. Cho
-
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
-
-
-
Safety closure member
-
Patent number 4,693,278
-
Issue date Sep 15, 1987
-
T. D. Williamson, Inc.
-
Buddy A. Wilson
-
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
-
Precise alignment adapter flange
-
Patent number 4,609,209
-
Issue date Sep 2, 1986
-
T. D. Williamson, Inc.
-
Gene R. Ralls
-
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
-
Flag-type pig-sig
-
Patent number 4,596,204
-
Issue date Jun 24, 1986
-
T. D. Williamson, Inc.
-
Gene R. Ralls
-
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
-
Underwater tapping machine
-
Patent number 4,579,484
-
Issue date Apr 1, 1986
-
T. D. Williamson, Inc.
-
James B. Sullivan
-
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
-
-
Pressure activated closure lock
-
Patent number 4,515,287
-
Issue date May 7, 1985
-
T. D. Williamson, Inc.
-
Richard Baudoux
-
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
-
-
-
-
-
Cam-flange
-
Patent number 4,387,740
-
Issue date Jun 14, 1983
-
T. D. Williamson, Inc.
-
Hershel Vanzant
-
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
-
Pig trap closure
-
Patent number 4,237,936
-
Issue date Dec 9, 1980
-
T. D. Williamson Inc.
-
Jack D. Lollis
-
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
-
Pipeline fitting
-
Patent number 4,058,142
-
Issue date Nov 15, 1977
-
T. D. Williamson, Inc.
-
William J. Rankin
-
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
-
Pipeline pig
-
Patent number 3,940,855
-
Issue date Mar 2, 1976
-
T. D. Williamson, Inc.
-
Burton Ver Nooy
-
G01 - MEASURING TESTING
-
98710051 - SHIIELD
-
Serial number 98710051
-
Filing date Aug 21, 2024
-
T.D. Williamson, LLC
-
7 - Machines and machine tools
-
98418662 - MDS
-
Serial number 98418662
-
Filing date Feb 23, 2024
-
T.D. Williamson, LLC
-
42 - Scientific and technological services and research and design relating thereto
-
98147049 - TOPSTOPP
-
Serial number 98147049
-
Filing date Aug 23, 2023
-
T.D. Williamson, LLC
-
6 - Common metals and their alloys
-
98147055 - THREAD-O-RING
-
Serial number 98147055
-
Filing date Aug 23, 2023
-
T.D. Williamson, LLC
-
6 - Common metals and their alloys
-
98147022 - VALVESTOPP
-
Serial number 98147022
-
Filing date Aug 23, 2023
-
T.D. Williamson, LLC
-
6 - Common metals and their alloys
-
90284308 - PROSTOPP
-
Serial number 90284308
-
Registration number 6572885
-
Filing date Oct 28, 2020
-
T. D. Williamson, Inc.
-
7 - Machines and machine tools
-
88336264 - PROSTOPP
-
Serial number 88336264
-
Filing date Mar 12, 2019
-
T. D. Williamson, Inc.
-
7 - Machines and machine tools
-
86347421 - INSPECTRA
-
Serial number 86347421
-
Filing date Jul 24, 2014
-
T. D. Williamson, Inc.
-
42 - Scientific and technological services and research and design relating thereto
-
85917233 - INSPECTRA
-
Serial number 85917233
-
Registration number 4760768
-
Filing date Apr 29, 2013
-
T. D. Williamson, Inc.
-
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
-
85596275 - SPIRALL
-
Serial number 85596275
-
Registration number 4290258
-
Filing date Apr 12, 2012
-
T. D. Williamson, Inc.
-
42 - Scientific and technological services and research and design relating thereto
-
77643111 - RAPTOR
-
Serial number 77643111
-
Filing date Jan 5, 2009
-
T. D. Williamson, Inc.
-
7 - Machines and machine tools
-
77635090 - INNOVATIONS
-
Serial number 77635090
-
Registration number 3650605
-
Filing date Dec 17, 2008
-
T. D. Williamson, Inc.
-
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
-
77423783 - PROCALC
-
Serial number 77423783
-
Registration number 3628299
-
Filing date Mar 17, 2008
-
T. D. Williamson, Inc.
-
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
-
77352372 - RES-Q
-
Serial number 77352372
-
Registration number 3528861
-
Filing date Dec 14, 2007
-
T. D. Williamson, Inc.
-
1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
-
-
77137346 - RAMSTOPP
-
Serial number 77137346
-
Filing date Mar 22, 2007
-
T. D. Williamson, Inc.
-
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
-
-
77136320 - FORMULA SI
-
Serial number 77136320
-
Registration number 3355366
-
Filing date Mar 21, 2007
-
T. D. Williamson, Inc.
-
7 - Machines and machine tools
-
78884997 - SMARTPLUG
-
Serial number 78884997
-
Registration number 3663737
-
Filing date May 16, 2006
-
T. D. Williamson, Inc.
-
37 - Building construction
-
78694550 - SMARTTRAP
-
Serial number 78694550
-
Registration number 3442394
-
Filing date Aug 17, 2005
-
T. D. Williamson, Inc.
-
6 - Common metals and their alloys
-
78689271 - X-PIG
-
Serial number 78689271
-
Registration number 3295051
-
Filing date Aug 10, 2005
-
T. D. Williamson, Inc.
-
7 - Machines and machine tools
-
78656081 - CONTROLPLUG
-
Serial number 78656081
-
Filing date Jun 22, 2005
-
T. D. Williamson, Inc.
-
7 - Machines and machine tools
-
78524600 - FINALSTOPP
-
Serial number 78524600
-
Registration number 3140282
-
Filing date Nov 30, 2004
-
T. D. Williamson, Inc.
-
7 - Machines and machine tools
-
78480436 - MAGPIE
-
Serial number 78480436
-
Registration number 3011311
-
Filing date Sep 8, 2004
-
T. D. Williamson, Inc.
-
42 - Scientific and technological services and research and design relating thereto
-
78480417 - BETTERPLUG
-
Serial number 78480417
-
Filing date Sep 8, 2004
-
T. D. Williamson, Inc.
-
42 - Scientific and technological services and research and design relating thereto
-
78332150 - V-JET
-
Serial number 78332150
-
Registration number 3197249
-
Filing date Nov 24, 2003
-
T. D. Williamson, Inc.
-
6 - Common metals and their alloys
-
78155045 - CLOCK KALIPER
-
Serial number 78155045
-
Registration number 2869149
-
Filing date Aug 16, 2002
-
T. D. Williamson, Inc.
-
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
-
78149880 - INSPECTRA
-
Serial number 78149880
-
Filing date Aug 1, 2002
-
T. D. Williamson, Inc.
-
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
-
76042376 - FREEZALL PRO-PLUG
-
Serial number 76042376
-
Registration number 2433691
-
Filing date May 5, 2000
-
T. D. Williamson, Inc.
-
11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
-
75844749 - BRUNAM
-
Serial number 75844749
-
Filing date Nov 9, 1999
-
T. D. Williamson, Inc.
-
7 - Machines and machine tools