Inventor

Norman Brammer

Inventor

Aberdeen, GB

Overview

45→

Patents

1986–2010

Patent span

Fixed constructions

Primary field (CPC E)

Patents· 45 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

E21Bprimary

E21BEarth or rock drilling79%

F16LPipes7%

F16JPistons4%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%

A61KPreparations for medical, dental or toiletry purposes2%

C07DHeterocyclic compounds2%

G01BMeasuring length, thickness or similar linear dimensions2%

G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure2%

PatentTitleYear

7,740,074'Tree mounted well flow interface device'2010 7,686,086'Subsea well separation and reinjection system'2010 7,201,229'Tree mounted well flow interface device'2007 6,763,891'Production tree with multiple safety barriers'2004 6,722,426'Gasket with multiple sealing surfaces'2004 6,615,921'Apparatus and method for remote adjustment of drill string centering to prevent damage to wellhead'2003 6,598,673'Wellhead load ring'2003 6,581,691'Landing adapter for soft landing a tubing hanger in the bore of a production tree or wellhead housing'2003 6,394,194'Method and apparatus for a drill cutting injection system'2002 6,394,186'Apparatus for remote adjustment of drill string centering to prevent damage to wellhead'2002 6,343,654'Electric power pack for subsea wellhead hydraulic tools'2002 6,302,211'Apparatus and method for remotely installing shoulder in subsea wellhead'2001 6,244,348'Well production system with a hydraulically operated safety valve'2001 6,142,236'Method for drilling and completing a subsea well using small diameter riser'2000 6,119,773'Well production system with a hydraulically operated safety valve'2000 5,868,204'Tubing hanger vent'1999 5,555,935'Fluid connector for well'1996 5,503,230'Concentric tubing hanger'1996 5,492,017'Inductive pressure transducer'1996 5,465,794'Hydraulic seal between tubing hanger and wellhead'1995 5,450,905'Pressure assist installation of production components in wellhead'1995 5,439,061'Adjustable surface well head casing hanger'1995 5,327,965'Wellhead completion system'1994 5,311,947'Preselected casing tensioning system'1994 5,279,369'Tieback receptacle with upward and downward facing funnel sections'1994 5,240,076'Casing tension retainer'1993 5,222,560'Full bore internal tieback system and method'1993 5,199,495'Split wear bushing for a drilling rig'1993 5,188,181'Annulus shutoff device for a subsea well'1993 5,090,737'Downhole energizable seal for telescoping joints'1992 5,080,173'Tieback wellhead system with sidetrack facilities'1992 5,060,724'Casing hanger seal locking mechanism with detent'1991 4,962,952'Pressure tube with deflecting section'1990 4,949,787'Casing hanger seal locking mechanism'1990 4,903,993'Tieback connector with two point interference fit'1990 4,900,066'Pipe connector'1990 4,893,677'Guidelineless reentry system with retracting rollers'1990 4,893,842'Wellhead tieback system with locking dogs'1990 4,823,878'Guidelineless reentry system with fixed rollers'1989 4,823,879'Guidelineless reentry system with nonrotating funnel'1989 4,722,391'Wellhead system'1988 4,714,111'Weight/pressure set pack-off for subsea wellhead systems'1987 4,702,481'Wellhead pack-off with undulated metallic seal ring section'1987 4,696,493'Subsea wellhead tieback system'1987 4,601,491'Pipe connector'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986Patents assigned to VETCO OFFSHORE IND INC (1)· patent assignee history

1986–2010Based in Aberdeen, GB· patent location history

1987–2010Patents assigned to VETCO GRAY INC (16)· patent assignee history

1987–1988Based in Ventura, CA, US· patent location history

1989–2010Based in Turriff, GB· patent location history

1989–1990Based in Scotland, GB· patent location history

1990–2002Based in Fyvie Turiff, GB· patent location history

1991–2004Patents assigned to VETCO GRAY INC ABB (28)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
VETCO GRAY INC ABB	28	1991–2004
VETCO GRAY INC	16	1987–2010
VETCO OFFSHORE IND INC	1	1986

Locations

Location	Patents	Span
Aberdeen, GB	21	1986–2010
Fyvie Turiff, GB	11	1990–2002
Turriff, GB	5	1989–2010
Ventura, California, US	4	1987–1988
Scotland, GB	3	1989–1990