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EPO Patents = 11

Trademarks = 1

Forward Citations = 8

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3 inventors (with patents filed for the assignee):

Stephen Francis Lindsey (13 out of 13 patents)

Daniel A Konopka (1 out of 11 patents)

Jason A Seedig (1 out of 4 patents)

14 patents: Sort by Forward Citations

1. 11859724 - Check valve (2024-01-02),

2. 11859495 - Rotary piston and cylinder device with single stator side (2024-01-02),

3. 11536139 - Rotary piston and cylinder with the rotor including a formation and bearing arrangement (2022-12-27),

4. 11519268 - Rotary piston and cylinder device with flared curved rotor surface (2022-12-06),

5. 11319812 - Rotary piston and cylinder device having a dish ringed rotor (2022-05-03),

6. 11280018 - Electrochemical methods, devices and compositions (2022-03-22),

7. 11131193 - Rotary piston and cylinder device (2021-09-28),

8. 11008865 - Rotary piston and cylinder devices (2021-05-18),

9. 10961849 - Rotary piston and cylinder device (2021-03-30),

10. 10794186 - Rotary piston and cylinder devices (2020-10-06),

11. 10662775 - Rotary piston and cylinder devices (2020-05-26),

12. 10400601 - Rotary piston and cylinder device (2019-09-03),

13. 9879534 - Rotary piston and cylinder devices (2018-01-30),

14. 9057268 - Rotary piston and cylinder devices (2015-06-16),

Lontra is an innovative engineering company that designs and manufactures advanced compressor and blower systems. With a focus on energy efficiency, their products are used across various industries such as water treatment, chemical processing, and food and beverage. Lontra's patented technology, the Blade Compressor®, offers significant energy savings and reduced carbon emissions compared to traditional compressor systems. Headquartered in the United Kingdom, Lontra continues to revolutionize the compression industry with their cutting-edge solutions.

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Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

14 Patents

#1 in Southam

#1,261 in United Kingdom

#40,937 in the World

Southam, United Kingdom

Lontra Limited

Forward Citations = 8

3 inventors:

Stephen Francis Lindsey (13 out of 13 patents)

Daniel A Konopka (1 out of 11 patents)

Jason A Seedig (1 out of 4 patents)

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