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For the Inventor, By the Inventor

St. Louis, MO, United States of America

Control Devices, Incorporated


USPTO Granted Patents = 40

% Expired Patents = 12.5


Trademarks = 19

Forward Citations = 909

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32 inventors (with patents filed for the assignee):

goldMedal Michael J Purvis (8 out of 12 patents)

silverMedal Joseph L Krechel (7 out of 8 patents)

bronzeMedal Jonathan W Hill (6 out of 7 patents)

4.  Daniel A Lammers (5 out of 5 patents)

5.  Thomas M Kornblum (4 out of 4 patents)

6.  Paul F Ross, Ii (4 out of 4 patents)

7.  Bruce Dalton (3 out of 3 patents)

8.  Jason Farqué (2 out of 2 patents)

9.  Eric Farqué (2 out of 2 patents)

10.  Timothy Coste (2 out of 2 patents)

11.  Mark Cote (2 out of 2 patents)

12.  Jurgen Dorschky (2 out of 2 patents)

13.  David E Windsor (2 out of 2 patents)

14.  M Rutledge Flynn (2 out of 2 patents)

15.  Raymond P Schultz (2 out of 2 patents)


Core Competencies:
Cylinder Valve
Float
Automatic Drain Valve
Pressure Washer Lance
Acoustic Transmitter
Ambient Light Sensor
Solar Radiation Sensor
Check Valve
Photosensor
Thermal Relief Valve
Manifold Fitting
Heat Control Device

40 patents:

1. 10295075 - Cylinder valve (2019-05-21),
2. 10197184 - Float (2019-02-05),
3. D838811 - Automatic drain valve (2019-01-22),
4. 10018301 - Drain valve (2018-07-10),
5. 10017006 - Roller kit for power washer surface cleaner attachment and corresponding method (2018-07-10),
6. D817474 - Condensate trap housing (2018-05-08),
7. 9535039 - Acoustic transmitter and method for underwater pipeline inspection gauges (2017-01-03),
8. D765222 - Pressure washer lance (2016-08-30),
9. 9172406 - Pressure resistant housing device for protecting an electromagnetic transmitter (2015-10-27),
10. 8327868 - Cylinder valve with thermal relief feature (2012-12-11),
11. 7289041 - Absolute position chain encoder (2007-10-30),
12. 7235765 - Solar sensor including reflective element to transform the angular response (2007-06-26),
13. 7159797 - Spray head (2007-01-09),
14. 6866062 - Check valve (2005-03-15),
15. 6752526 - Combined optical light pipe and protective enclosure (2004-06-22),
Company Overview
Control Devices, Incorporated, based in St. Louis, MO, specializes in the design and manufacture of advanced fluid control solutions. The company focuses on a diverse range of technologies, including cylinder valves, automatic drain valves, and thermal relief valves, catering to various industrial applications. Additionally, Control Devices develops innovative products such as acoustic transmitters and multi-function light sensors, demonstrating a commitment to enhancing operational efficiency and safety across multiple sectors.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

40 Patents

#60 in St. Louis, MO

#112 in Missouri

#8,628 in US

#17,068 in the World

St. Louis, MO (US)
St. Louis, MO, United States of America

Control Devices, Incorporated

Forward Citations = 909

32 inventors:

goldMedal Michael J Purvis (8 out of 12 patents)

silverMedal Joseph L Krechel (7 out of 8 patents)

bronzeMedal Jonathan W Hill (6 out of 7 patents)

4.  Daniel A Lammers (5 out of 5 patents)

5.  Thomas M Kornblum (4 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Control Devices, Incorporated. Retrieved from https://idiyas.com/company/control-devices

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]
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