Barton; Len

Patent Applications and Registrations

Patent applications and USPTO patent grants for Barton; Len.The latest application filed is for "thermally expandable casing collar".

Company Profile

3.4.4

Barton; Len - Annaberg Lungotz AT
Barton; Len - Central Scotland GB
Barton; Len - Angus GB

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Retrievable re-connecting device with internal seal and slips for connecting to the top of an existing tubing in a well bore Grant 10,689,918 - Barton , et al.	2020-06-23
Joint element, a casing string including such a joint element and a method for compensating of forces due to thermal effects in a casing string Grant 10,513,893 - Loviknes , et al. Dec	2019-12-24
Temperature activated zonal isolation packer device Grant 10,472,921 - Barton , et al. Nov	2019-11-12
Thermally Expandable Casing Collar App 20180371847 - LOVIKNES; Borre ; et al.	2018-12-27
Thermally expandable casing collar Grant 9,982,493 - Loviknes , et al. May 29, 2	2018-05-29
Temperature Activated Zonal Isolation Packer Device App 20170321516 - Barton; Len ; et al.	2017-11-09
Retrievable Re-connecting Device With Internal Seal And Slips For Connecting To The Top Of An Existing Tubing In A Well Bore App 20170314338 - BARTON; Len ; et al.	2017-11-02
Thermally Expandable Casing Collar App 20150167401 - Loviknes; Borre ; et al.	2015-06-18

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