CIPO Patents = 1

Trademarks = 4

Forward Citations = 382

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7 inventors (with patents filed for the assignee):

George Robert Summers (6 out of 18 patents)

Forwood Cloud Wiser (5 out of 19 patents)

John W Leask (4 out of 4 patents)

4. John C Leask (2 out of 3 patents)

5. Allen R York (1 out of 1 patent)

6. Terry D Day (1 out of 1 patent)

7. Harry W Straus (1 out of 1 patent)

12 patents: Sort by Forward Citations

1. 6902603 - Integrated air filtration unit (2005-06-07),

2. 6797966 - Quick-install irradiation unit and method of making same (2004-09-28),

3. 6574123 - Power supply for electrostatic air filtration (2003-06-03),

4. D453215 - Adaptive rail for planar air filter (2002-01-30),

5. 6294004 - Structures for electrostatic V-bank air filters (2001-09-25),

6. 6195625 - Method for simulating collisions (2001-02-27),

7. 5837207 - Portable germicidal air filter (1998-11-17),

8. 5031900 - Eddy current braking system (1991-07-16),

9. 4927136 - Braking system for exercise apparatus (1990-05-22),

10. 4250392 - Bi-focal collimator (1981-02-10),

11. 4054800 - Methods of collimator fabrication (1977-10-18),

12. 3988589 - Methods of collimator fabrication (1976-10-26),

Engineering Dynamics Ltd. is a leading engineering consultancy firm specialized in dynamic analysis, structural engineering, and advanced simulation services. With a team of skilled engineers and state-of-the-art technology, we provide innovative solutions for a wide range of industries including aerospace, automotive, and manufacturing. Contact us today for all your engineering needs.

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USPTO Data Jan 1 1976 - Sep 15 2026

12 Patents

#97 in

#1,263 in Canada

#48,027 in the World

CA

Engineering Dynamics Ltd.