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The Hague, Netherlands

E2tech Limited

USPTO Granted Patents = 14

% Expired Patents = 57.1

CIPO Patents = 1

EPO Patents = 1

Forward Citations = 223

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10 inventors (with patents filed for the assignee):

Peter Oosterling (5 out of 6 patents)

Philip Michael Burge (4 out of 9 patents)

Alan Mackenzie (4 out of 6 patents)

4. Neil Thomson (2 out of 2 patents)

5. Gareth Lyle Innes (1 out of 3 patents)

6. Alan MacKenzie (1 out of 1 patent)

7. Andrew Warnock Dobson (1 out of 1 patent)

8. Colin Neil Morrison (1 out of 2 patents)

9. David Andrew Anderton (1 out of 1 patent)

10. Christopher Callaway (1 out of 1 patent)

11. Gareth Innes (0 patent)

14 patents: Sort by Forward Citations

1. 7654332 - Apparatus and methods for radially expanding a tubular member (2010-02-02),

2. 7578354 - Device and method to seal boreholes (2009-08-25),

3. 7401650 - Apparatus and methods for radially expanding a tubular member (2008-07-22),

4. 7275600 - Apparatus and method for expanding tubular members (2007-10-02),

5. 7243722 - Expander device (2007-07-17),

6. 7228915 - Device and method to seal boreholes (2007-06-12),

7. 7228911 - Apparatus for and method of radial expansion of a tubular member (2007-06-12),

8. 7185701 - Apparatus and method for radially expanding a tubular member (2007-03-06),

9. 7178601 - Methods of and apparatus for casing a borehole (2007-02-20),

10. 7174764 - Apparatus for and a method of expanding tubulars (2007-02-13),

11. 7124823 - Apparatus for and method of anchoring a first conduit to a second conduit (2006-10-24),

12. 7073583 - Method and apparatus for expanding tubing downhole (2006-07-11),

13. 6860329 - Apparatus for and method of including a packer to facilitate anchoring a first conduit to a second conduit (2005-03-01),

14. 6745846 - Expandable downhole tubing (2004-06-08),

E2tech Limited is a technology company based in The Hague, specializing in innovative solutions for energy efficiency and sustainability. The organization focuses on developing advanced technologies that enhance energy management and reduce environmental impact across various sectors. With a commitment to research and development, E2tech is at the forefront of creating systems and tools that facilitate the transition to cleaner energy sources, contributing to a more sustainable future in both local and global contexts.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

14 Patents

#5 in The Hague

#482 in Netherlands

#42,199 in the World

The Hague, Netherlands

E2tech Limited

Forward Citations = 223

10 inventors:

Peter Oosterling (5 out of 6 patents)

Philip Michael Burge (4 out of 9 patents)

Alan Mackenzie (4 out of 6 patents)

4. Neil Thomson (2 out of 2 patents)

5. Gareth Lyle Innes (1 out of 3 patents)

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