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For the Inventor, By the Inventor

Bedfordshire, United Kingdom

Caltec Limited

USPTO Granted Patents = 11

% Expired Patents = 72.7


Trademarks = 1

Forward Citations = 57

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12 inventors (with patents filed for the assignee):

goldMedal Mirza Najam Ali Beg (5 out of 6 patents)

silverMedal Mir Mahmood Sarshar (5 out of 5 patents)

bronzeMedal 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:

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),
Company Overview
Caltec Limited, based in Bedfordshire, specializes in the development and manufacturing of advanced technology solutions tailored for various industries. The company focuses on innovative engineering and design, particularly in the fields of automation, control systems, and bespoke machinery. With a commitment to quality and precision, Caltec serves a diverse clientele, providing cutting-edge products that enhance operational efficiency and performance across multiple sectors.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

Caltec Limited USPTO Patent Assignee Logo
11 Patents

#4 in Bedfordshire

#1,600 in United Kingdom

#51,801 in the World

Bedfordshire, GB
Bedfordshire, United Kingdom

Caltec Limited

Forward Citations = 57

12 inventors:

goldMedal Mirza Najam Ali Beg (5 out of 6 patents)

silverMedal Mir Mahmood Sarshar (5 out of 5 patents)

bronzeMedal 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)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Caltec Limited. Retrieved from https://idiyas.com/company/caltec

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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