For the Inventor, By the Inventor

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Westford, MA, United States of America

Kadant Inc.

USPTO Granted Patents = 27

% Expired Patents = 25.9

EPO Patents = 12

Trademarks = 3

Forward Citations = 55

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20 inventors (with patents filed for the assignee):

Allen Brauns (9 out of 13 patents)

Robert P Johnson (7 out of 7 patents)

Peter Thuroe Carstensen (6 out of 10 patents)

4. David Leeman (6 out of 8 patents)

5. Royal Gauvin (5 out of 6 patents)

6. Michael David Draper (4 out of 6 patents)

7. Alan T Ives (3 out of 11 patents)

8. Ka Lun To (2 out of 2 patents)

9. Philip Mason Kemp (2 out of 2 patents)

10. Chris Spence (2 out of 2 patents)

11. Marcelo De Boni (2 out of 2 patents)

12. Daire Kavanagh (2 out of 2 patents)

13. Gregory L Wedel (2 out of 64 patents)

14. Mohan Jayaraman (1 out of 1 patent)

15. Ka Lun Tu (1 out of 1 patent)

Core Competencies:

Doctor Blade

Whitewater Recovery

Vibration Mitigation

Fluid Extraction

Dewatering Performance

Cleaning Apparatus

Natural Reinforcement

Composites

Siphon Device

Hydraulic Pump

Motor Controller

Pressurized Backflush

27 patents: Sort by Forward Citations

1. 12467203 - Doctor blade including natural reinforcement fabric layers bonded together with bio-derived resin matrix (2025-11-11),

2. 11834790 - Systems and methods for providing doctor blade holders with vibration mitigation (2023-12-05),

3. 11459701 - Wear composites including one or more metal layers (2022-10-04),

4. 10753045 - Systems and methods for providing force vector compensated fan nozzles (2020-08-25),

5. 10724177 - Systems and methods for providing fluid extraction vacuum box covers with integral lubrication (2020-07-28),

6. 10724176 - Systems and methods for providing shaped vacuum ports for fluid extraction vacuum box covers in papermaking systems (2020-07-28),

7. 10190258 - Doctor blade holders and doctor blade holder systems including planar elements with three dimensional fabric reinforcement materials (2019-01-29),

8. 9551109 - Doctor blade including combination carbon/glass yarns (2017-01-24),

9. 9518359 - Doctor blade holder systems (2016-12-13),

10. 9506192 - Systems and methods for doctor blade load and vibration measurement as well as blade vibration mitigation (2016-11-29),

11. 9506190 - Whitewater recovery process (2016-11-29),

12. 8986503 - Whitewater recovery process (2015-03-24),

13. 8898851 - Doctor blade holder (2014-12-02),

14. 8826560 - Support apparatus for supporting a syphon (2014-09-09),

15. 8719996 - Systems and methods for cleaning and conditioning a moving surface (2014-05-13),

Kadant Inc. is a leading provider of equipment and systems for the global papermaking and wood processing industries. The company specializes in developing innovative technologies that enhance efficiency and sustainability in manufacturing processes. With a focus on fluid handling, drying, and automation solutions, Kadant serves a diverse range of customers worldwide. Their commitment to research and development drives advancements in industrial applications, positioning them as a key player in enhancing operational performance across various sectors.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

27 Patents

#10 in Westford, MA

#740 in Massachusetts

#12,405 in US

#23,968 in the World

Westford, MA, United States of America

Kadant Inc.

Forward Citations = 55

20 inventors:

Allen Brauns (9 out of 13 patents)

Robert P Johnson (7 out of 7 patents)

Peter Thuroe Carstensen (6 out of 10 patents)

4. David Leeman (6 out of 8 patents)

5. Royal Gauvin (5 out of 6 patents)

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