P

Inventor

LAWSON JOHN E

40 patents
⚠️ This page may combine multiple inventors who share the name “LAWSON JOHN E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ARMCO INC

20 patents
US4550782ANov 5, 1985

Method and apparatus for independent support of well pipe hangers

ARMCO INC121 citations96
US4497592AFeb 5, 1985

Self-levelling underwater structure

ARMCO INC67 citations96
US4427072AJan 24, 1984

Method and apparatus for deep underwater well drilling and completion

ARMCO INC58 citations96
US4490073ADec 25, 1984

Multiple flowline connector

ARMCO INC47 citations92
US4449583AMay 22, 1984

Well devices with annulus check valve and hydraulic by-pass

ARMCO INC36 citations92
US4422618ADec 27, 1983

Remotely operated valve

ARMCO INC32 citations92
US4211281AJul 8, 1980

Articulated plural well deep water production system

ARMCO INC35 citations92
US4432670AFeb 21, 1984

Combination connector and flex joint for underwater tension elements

ARMCO INC26 citations82
US4333531AJun 8, 1982

Method and apparatus for multiple well completion

ARMCO INC22 citations82
US4583746AApr 22, 1986

Method and apparatus for sealing between two concentric members

ARMCO INC10 citations74
US4472081ASep 18, 1984

Apparatus for connecting underwater flowlines

ARMCO INC14 citations74
US4472080ASep 18, 1984

Method for installing and connecting underwater flowlines

ARMCO INC14 citations74
US4405261ASep 20, 1983

Subsea template levelling system and method

ARMCO INC12 citations74
US4319773AMar 16, 1982

Fastener and devices in which load supporting members are secured thereby

ARMCO INC7 citations74
US4298067ANov 3, 1981

Method and apparatus for installing multiple pipe strings in underwater wells

ARMCO INC11 citations74
US4298064ANov 3, 1981

Remotely operated coupling and well devices employing same

ARMCO INC8 citations74
US4290483ASep 22, 1981

Latch means for well tools and components

ARMCO INC11 citations74
US4209191AJun 24, 1980

Quick make-and-break large diameter coupling

ARMCO INC18 citations74
US4340117AJul 20, 1982

Underwater well installations and handling string joint therefor

ARMCO INC3 citations63
US4317587AMar 2, 1982

Split fastening ring and assemblies employing same

ARMCO INC2 citations63

MEAD JOHNSON & CO

10 patents

BRISTOL MYERS SQUIBB CO

5 patents

CAMERON IRON WORKS INC

2 patents

COOPER IND INC

1 patent

MOBIL OIL CORP

1 patent

LAWSON JOHN E

1 patent