For the Inventor, By the Inventor

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Reamstown, PA, United States of America

Dorma Door Controls, Inc.

USPTO Granted Patents = 11

Trademarks = 19

Forward Citations = 304

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11 inventors (with patents filed for the assignee):

Mark A Beran (3 out of 18 patents)

Davide Andrea (2 out of 8 patents)

Lloyd Seliber (2 out of 2 patents)

4. James D Rhoads (2 out of 2 patents)

5. Sidney Lieberman (2 out of 3 patents)

6. Todd S Beaton (1 out of 3 patents)

7. James C Stevens (1 out of 7 patents)

8. Ricky Loose (1 out of 1 patent)

9. David Moyer (1 out of 1 patent)

10. Robert Utterback (1 out of 1 patent)

11. Lanny E Nesbitt (1 out of 3 patents)

11 patents: Sort by Forward Citations

1. 8347675 - Positional multiplex keyway system (2013-01-08),

2. 7571629 - Positional multiplex keyway system (2009-08-11),

3. 6499185 - Apparatus for holding a door open (2002-12-31),

4. 6002217 - Door operating system (1999-12-14),

5. 5956249 - Method for electromechanical control of the operational parameters of a (1999-09-21),

6. 5913763 - Method for controlling the operational modes of a door in conjunction (1999-06-22),

7. 5687507 - Apparatus for selective alteration of operating parameters of a door (1997-11-18),

8. 4878265 - Hold-open mechanism for use with a door closer (1989-11-07),

9. 4419787 - Door closer assist linkage (1983-12-13),

10. 4394787 - Hydraulic door closer construction (1983-07-26),

11. 4375735 - Air lock door control apparatus (1983-03-08),

Dorma Door Controls, Inc. is a leading provider of premium access solutions for commercial and residential applications. They offer a wide range of innovative door hardware products, including door closers, locks, and automatic doors. With a strong reputation for quality and reliability, Dorma Door Controls, Inc. is trusted by customers around the world to keep their properties secure and accessible.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 23 2025

11 Patents

#1 in Reamstown, PA

#980 in Pennsylvania

#26,696 in US

#50,205 in the World

Reamstown, PA, United States of America

Dorma Door Controls, Inc.

Forward Citations = 304

11 inventors:

Mark A Beran (3 out of 18 patents)

Davide Andrea (2 out of 8 patents)

Lloyd Seliber (2 out of 2 patents)

4. James D Rhoads (2 out of 2 patents)

5. Sidney Lieberman (2 out of 3 patents)

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