Patent Number

US20130180733 A1 2013-07-18

Seal ring backup devices and methods for preventing extrusion
The present invention relates to seal ring back-up devices suitable for use on glands in sealing systems.In particular, the present invention relates to seal ring back-up devices that have been designed to fit into essentially all types of glands and close extrusion gaps.Some embodiments of the present invention provide a seal ring back-up device having an annular body having an inner diameter, an outer diameter, and a scarf cut; and where the annular body is configured to fit a gland and engage a seal ring.		©Questel

FamPat family

Publication Number		Type	Publi.Date	Links
	US20130180733	A1	2013-07-18
	STG:	(A1) Application published
	AP:	2012US-13352829
	US9995394	B2	2018-06-12
	STG:	(B2) Granted patent as second publication
	AP:	2012US-13352829
	CA2802056	A1	2013-07-18
	STG:	(A1) Application laid open
	AP:	2013CA-2802056
	CA2802056	C	2015-11-24
	STG:	(C) Patent (second level)
	AP:	2013CA-2802056
	SG192367	A1	2013-08-30
	STG:	(A1) Patent Application
	AP:	2013SG-0003199
	SG192367	B	2017-05-03
	STG:	(B) Patent Granted
	AP:	2013SG-0003199

First Date of Grant

2018-06-12

2017-05-03

2015-11-24

Inventor

BRADSHAW RICHARD S
SLAY JEREMY BUC

All applicant/assignee

Halliburton Energy Services, Inc. ([US])
HALLIBURTON ENERGY SERVICES, INC. ([US])

HALLIBURTON ENERGY SERVICES, INC. ([US])
HALLIBURTON ENERGY SERVICES, INC. ([US])

Priority Details

2012US-13352829 2012-01-18

�Questel