logo

For the Inventor, By the Inventor

Cleveland, OH, United States of America

The Lamson & Sessions Co.

Calculating rank
USPTO Granted Patents = 122

% Expired Patents = 4.1


Trademarks = 8

Forward Citations = 2,898

Loading Chart...
Loading Chart...

78 inventors (with patents filed for the assignee):

goldMedal Dennis P Revlock, Sr (30 out of 30 patents)

silverMedal Eric G Hull (29 out of 43 patents)

bronzeMedal Mark A Roesch (23 out of 23 patents)

4.  Charles H Riedy (22 out of 24 patents)

5.  Robert M Gudin (12 out of 12 patents)

6.  Gregory D Turcovsky (9 out of 10 patents)

7.  David A Maccarone (9 out of 10 patents)

8.  Terry D Capuano (8 out of 16 patents)

9.  Bradford Brian Jensen (7 out of 24 patents)

10.  Thomas W Hawkins (5 out of 16 patents)

11.  Gary F Hillenbrand (5 out of 13 patents)

12.  William M Chambers (5 out of 6 patents)

13.  James A Rajecki (5 out of 5 patents)

14.  David P Marshall (5 out of 5 patents)

15.  Morris F Newsom (5 out of 5 patents)


Core Competencies:
Electrical Box
Outlet Box
Conduit Fitting
Low Voltage Assembly
Suction Cup Device
Mud Box
Electrical Bracket
Door Chime
Flexible Conduit Elbow
Candle Lamp
Transmitter
Photocell Switch

122 patents:

1. 7896404 - Tubular reducer fitting for electrical nonmetallic tubing (2011-03-01),
2. 7651063 - Suction cup device (2010-01-26),
3. 7595446 - Wall mounted electrical apparatus (2009-09-29),
4. 7575122 - Outlet box knockout (2009-08-18),
5. 7556225 - Conduit support (2009-07-07),
6. 7432440 - Electrical box support (2008-10-07),
7. D576317 - Glowing artificial candle flame (2008-09-02),
8. 7387288 - Fitting for ENT tubing (2008-06-17),
9. 7381891 - Electrical box support (2008-06-03),
10. 7353961 - Outlet box knockout (2008-04-08),
11. D556076 - Door chime cover (2007-11-27),
12. D553039 - Door chime cover (2007-10-16),
13. D549661 - Transition adapter for electrical conduit (2007-08-28),
14. D545458 - Artificial candle (2007-06-26),
15. D544448 - Transition adapter for electrical conduit (2007-06-12),
Company Overview
The Lamson & Sessions Co., based in Cleveland, OH, specializes in the development and manufacturing of electrical components essential for various applications. The company focuses on innovative solutions such as electrical boxes, outlet boxes, conduit fittings, and low voltage assemblies, catering to both residential and commercial markets. With a commitment to quality and performance, Lamson & Sessions also produces specialized products like suction cup devices, mud boxes, electrical brackets, and door chimes, ensuring reliability in electrical installations.
Profile summary synthesized from public USPTO records and patent filings.

logo

Company Badge

USPTO Data Jan 1 1976 - Nov 3 2026

122 Patents

#24 in Cleveland, OH

#149 in Ohio

#3,186 in US

#6,567 in the World

Cleveland, OH (US)
Cleveland, OH, United States of America

The Lamson & Sessions Co.

Forward Citations = 2,898

78 inventors:

goldMedal Dennis P Revlock, Sr (30 out of 30 patents)

silverMedal Eric G Hull (29 out of 43 patents)

bronzeMedal Mark A Roesch (23 out of 23 patents)

4.  Charles H Riedy (22 out of 24 patents)

5.  Robert M Gudin (12 out of 12 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: The Lamson & Sessions Co.. Retrieved from https://idiyas.com/company/lamson-and-sessions-company

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
Loading…