NO156460C - Opphentbar sikkerhetsventil. - Google Patents

Opphentbar sikkerhetsventil.

Info

Publication number
NO156460C
NO156460C NO834048A NO834048A NO156460C NO 156460 C NO156460 C NO 156460C NO 834048 A NO834048 A NO 834048A NO 834048 A NO834048 A NO 834048A NO 156460 C NO156460 C NO 156460C
Authority
NO
Norway
Prior art keywords
inventible
safety valve
safety
valve
inventible safety
Prior art date
Application number
NO834048A
Other languages
English (en)
Other versions
NO156460B (no
NO834048L (no
Inventor
John H Yonker
Joseph L Pearce
Thomas M Deaton
David Bills
Original Assignee
Otis Eng Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US05/960,170 external-priority patent/US4273186A/en
Publication of NO834048L publication Critical patent/NO834048L/no
Application filed by Otis Eng Co filed Critical Otis Eng Co
Publication of NO156460B publication Critical patent/NO156460B/no
Publication of NO156460C publication Critical patent/NO156460C/no

Links

NO834048A 1978-11-13 1983-11-07 Opphentbar sikkerhetsventil. NO156460C (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/960,170 US4273186A (en) 1978-11-13 1978-11-13 Well safety valve system
NO793632A NO156877C (no) 1978-11-13 1979-11-12 Sikkerhetsventilsystem for en undervannsbroenn.

Publications (3)

Publication Number Publication Date
NO834048L NO834048L (no) 1980-05-14
NO156460B NO156460B (no) 1987-06-15
NO156460C true NO156460C (no) 1987-09-23

Family

ID=26647692

Family Applications (1)

Application Number Title Priority Date Filing Date
NO834048A NO156460C (no) 1978-11-13 1983-11-07 Opphentbar sikkerhetsventil.

Country Status (1)

Country Link
NO (1) NO156460C (no)

Also Published As

Publication number Publication date
NO156460B (no) 1987-06-15
NO834048L (no) 1980-05-14

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