-
-
-
-
-
-
-
-
-
-
-
-
-
-
Floating roof tank seal
-
Patent number 4,401,306
-
Issue date Aug 30, 1983
-
James F. Arnold
-
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
-
-
-
-
Jetting apparatus
-
Patent number 4,083,417
-
Issue date Apr 11, 1978
-
James F. Arnold
-
E21 - EARTH DRILLING MINING
-
Drill collar
-
Patent number 4,068,730
-
Issue date Jan 17, 1978
-
James F. Arnold
-
E21 - EARTH DRILLING MINING
-
-
-
-
Pipe coupling
-
Patent number 3,997,199
-
Issue date Dec 14, 1976
-
HydroTech International, Inc.
-
James F. Arnold
-
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
-
Pipe coupling with retrievable setting means
-
Patent number 3,977,702
-
Issue date Aug 31, 1976
-
HydroTech International, Inc.
-
William E. White
-
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
-
Dynamic pipe coupling
-
Patent number 3,944,263
-
Issue date Mar 16, 1976
-
HydroTech International, Inc.
-
James F. Arnold
-
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
-