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For the Inventor, By the Inventor

Escalon, CA, United States of America

Lift-u, Division of Hogan Mfg., Inc.


USPTO Granted Patents = 69


Trademarks = 2

Forward Citations = 1,127

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19 inventors (with patents filed for the assignee):

goldMedal Donald Morris (43 out of 62 patents)

silverMedal David Johnson (38 out of 46 patents)

bronzeMedal Alan R Cohn (15 out of 21 patents)

4.  Cleatus A Lewis (7 out of 7 patents)

5.  George Franco (5 out of 5 patents)

6.  Curtis J Simon (5 out of 6 patents)

7.  Don Morris (4 out of 4 patents)

8.  Paul Reichmuth (2 out of 2 patents)

9.  Roger Young (2 out of 2 patents)

10.  Benjamin Bonnett (1 out of 1 patent)

11.  Dale Kempf (1 out of 32 patents)

12.  Bart B Anderson (1 out of 1 patent)

13.  Jaime Fernandez (1 out of 1 patent)

14.  Edward Wagner (1 out of 1 patent)

15.  Lawrence S Aoki (1 out of 4 patents)


Core Competencies:
Operable Ramp
Fold Out Ramp
Ramp Assembly
Tilt Sensor
Drive Assembly
Energy Damper
Counterbalance Mechanism
Vertical Lift Platform
Low-Profile Lifting Mechanism
Wheelchair Lift
Articulating Assembly
Compact Folding Ramp

69 patents:

1. 10060135 - Operable ramp (2018-08-28),
2. 9963883 - Operable ramp (2018-05-08),
3. 9820899 - Fold out ramp (2017-11-21),
4. 9708815 - Operable ramp (2017-07-18),
5. 9587404 - Operable ramp (2017-03-07),
6. 9580910 - Operable ramp (2017-02-28),
7. 9271883 - Ramp assembly with tilt sensor (2016-03-01),
8. 9169905 - Drive assembly with override mechanism (2015-10-27),
9. 9050229 - Fold out ramp (2015-06-09),
10. 9045908 - Operable ramp (2015-06-02),
11. 8943631 - Operable ramp (2015-02-03),
12. 8938837 - Ramp assembly installation method (2015-01-27),
13. 8925131 - Operable ramp (2015-01-06),
14. 8918939 - Operable ramp (2014-12-30),
15. 8887337 - Operable ramp (2014-11-18),
Lift-U, Division of Hogan Mfg., Inc. is a leading manufacturer of innovative accessibility solutions for the transportation industry. With over 40 years of experience, Lift-U provides reliable and efficient platform lifts, ramps, and other mobility products. Our state-of-the-art designs are tailored to meet the unique needs of transit organizations, ensuring safe and convenient access for passengers with disabilities. Lift-U is committed to delivering high-quality products that enhance the overall accessibility and inclusivity of public transportation systems.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 9 2025

69 Patents

#1 in Escalon, CA

#1,212 in California

#5,083 in US

#10,329 in the World

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Escalon, CA, United States of America

Lift-u, Division of Hogan Mfg., Inc.

Forward Citations = 1,127

19 inventors:

goldMedal Donald Morris (43 out of 62 patents)

silverMedal David Johnson (38 out of 46 patents)

bronzeMedal Alan R Cohn (15 out of 21 patents)

4.  Cleatus A Lewis (7 out of 7 patents)

5.  George Franco (5 out of 5 patents)

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