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Bedfordshire, United Kingdom

Caltec Limited

USPTO Granted Patents = 11

% Expired Patents = 72.7

EPO Patents = 2

Trademarks = 1

Forward Citations = 57

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12 inventors (with patents filed for the assignee):

Mirza Najam Ali Beg (5 out of 6 patents)

Mir Mahmood Sarshar (5 out of 5 patents)

Carl Wordsworth (5 out of 5 patents)

4. Mahmood Mir Sarshar (3 out of 3 patents)

5. Ali Najam Miraz Beg (3 out of 3 patents)

6. Hiroyuki Inaba (2 out of 17 patents)

7. Michito Saito (2 out of 7 patents)

8. Ryuji Yasuda (2 out of 4 patents)

9. Syed Mahmood Peeran (1 out of 1 patent)

10. Rhodri John Jones (1 out of 1 patent)

11. Raja Kishore Nalukurthy (1 out of 1 patent)

12. Ellis G Wheadon (1 out of 14 patents)

11 patents: Sort by Forward Citations

1. 9347284 - Slug mitigation system for subsea pipelines and risers (2016-05-24),

2. 9073064 - Cyclonic separation system comprising gas injection means and method for separating a fluid mixture (2015-07-07),

3. 8747679 - Separation system and method for separating a fluid mixture with this separating system (2014-06-10),

4. 8512576 - System and method for the production or handling of heavy oil (2013-08-20),

5. 8333825 - Apparatus for and method of separating multi-phase fluids (2012-12-18),

6. 8317904 - Sand separation system and method (2012-11-27),

7. 8313565 - Cyclonic separator and a method of separating fluids (2012-11-20),

8. 8257055 - System and process for pumping multiphase fluids (2012-09-04),

9. 5927397 - Pipe with closure portion, heat exchanger header and method of producing (1999-07-27),

10. 5799397 - Pipe with closure portion, heat exchanger header and method of producing (1998-09-01),

11. 5001022 - Lead-acid storage battery and related method of construction (1991-03-19),

Caltec Limited is a leading provider of innovative oil and gas production solutions. With a focus on maximizing production and minimizing costs, we deliver cutting-edge technologies and services to optimize performance in the energy sector. Our expertise includes artificial lift systems, well optimization, and reservoir management. Caltec Limited is committed to delivering value and efficiency to our clients worldwide.

Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

11 Patents

#4 in Bedfordshire

#1,598 in United Kingdom

#51,671 in the World

Bedfordshire, United Kingdom

Caltec Limited

Forward Citations = 57

12 inventors:

Mirza Najam Ali Beg (5 out of 6 patents)

Mir Mahmood Sarshar (5 out of 5 patents)

Carl Wordsworth (5 out of 5 patents)

4. Mahmood Mir Sarshar (3 out of 3 patents)

5. Ali Najam Miraz Beg (3 out of 3 patents)

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