-
-
Sand detector
-
Patent number 5,250,807
-
Issue date Oct 5, 1993
-
Norsk Hydro a.s
-
Terje Sontvedt
-
G01 - MEASURING TESTING
-
-
3574550
-
Patent number 3,574,550
-
Issue date Apr 13, 1971
-
G01 - MEASURING TESTING
-
3339072
-
Patent number 3,339,072
-
Issue date Aug 29, 1967
-
G01 - MEASURING TESTING
-
3253151
-
Patent number 3,253,151
-
Issue date May 24, 1966
-
G01 - MEASURING TESTING
-
3089030
-
Patent number 3,089,030
-
Issue date May 7, 1963
-
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
-
3050628
-
Patent number 3,050,628
-
Issue date Aug 21, 1962
-
G01 - MEASURING TESTING
-
3019342
-
Patent number 3,019,342
-
Issue date Jan 30, 1962
-
G01 - MEASURING TESTING
-
2987623
-
Patent number 2,987,623
-
Issue date Jun 6, 1961
-
G01 - MEASURING TESTING
-
1933063
-
Patent number 1,933,063
-
Issue date Oct 31, 1933
-
G01 - MEASURING TESTING