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For the Inventor, By the Inventor

Michigan City, IN, United States of America

Dwyer Instruments, Inc.


USPTO Granted Patents = 81

% Expired Patents = 12.3



Trademarks = 46

Forward Citations = 688

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57 inventors (with patents filed for the assignee):

goldMedal Michael A Popp (10 out of 10 patents)

silverMedal Robert Austin Moss (9 out of 12 patents)

bronzeMedal Daniel A Heuer (8 out of 8 patents)

4.  Steven O Buchanan (8 out of 9 patents)

5.  James W Phillips (7 out of 7 patents)

6.  Lars O Rosaen (6 out of 29 patents)

7.  Alejandro Ignacio Baez Guada (6 out of 6 patents)

8.  Peter Ellis Hackett (6 out of 13 patents)

9.  Brian Lee Palmer (6 out of 6 patents)

10.  Duane M Kobos (5 out of 25 patents)

11.  John Hestich (5 out of 6 patents)

12.  Shilei Ma (3 out of 3 patents)

13.  Terrence J Troyer (3 out of 3 patents)

14.  Rodney Joe Corder (3 out of 14 patents)

15.  Ronald R Krueger (3 out of 3 patents)


Core Competencies:
Flow Meter
Pressure Sensor
Differential Pressure Transmitter
Anemometer
HVAC System
Pressure Gauge
Flow Switch
Air Velocity Transmitter
Rotameter
Manometer
Electrostatic Discharge
Humidity Sensor

81 patents:

1. 12723998 - Humidity sensor with improved contaminant sealing (2026-09-01),
2. D1004744 - Flow pin (2023-11-14),
3. D1004057 - Flow pin (2023-11-07),
4. D1004054 - Flow pin (2023-11-07),
5. D1004053 - Flow pin (2023-11-07),
6. 11703363 - Systems and methods for an inline flow meter assembly (2023-07-18),
7. 11555638 - Venturi vacuum drawback assemblies and dual orifice venturi valve assemblies (2023-01-17),
8. 11435249 - Electrostatic discharge resistant pressure sensor (2022-09-06),
9. D953180 - Differential pressure transmitter (2022-05-31),
10. D942292 - Differential pressure transmitter (2022-02-01),
11. D899954 - Sensor (2020-10-27),
12. 10718644 - Sensor head for insertion electromagnetic flow meter (2020-07-21),
13. 10671098 - System, method, and apparatus for balancing an HVAC system (2020-06-02),
14. 10655992 - Anemometer (2020-05-19),
15. 10551403 - Pitot tube instrument (2020-02-04),
Dwyer Instruments, Inc., based in Michigan City, IN, specializes in the development and manufacturing of fluid measurement devices. The company offers a diverse range of products including flow meters, pressure sensors, and differential pressure transmitters, catering to various industries such as HVAC, water treatment, and industrial automation. Dwyer is recognized for its commitment to precision and reliability in measurement technology, providing essential tools for monitoring and controlling fluid dynamics in numerous applications.
Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

81 Patents

#1 in Michigan City, IN

#83 in Indiana

#4,574 in US

#9,343 in the World

Michigan City, IN (US)
Michigan City, IN, United States of America

Dwyer Instruments, Inc.

Forward Citations = 688

57 inventors:

goldMedal Michael A Popp (10 out of 10 patents)

silverMedal Robert Austin Moss (9 out of 12 patents)

bronzeMedal Daniel A Heuer (8 out of 8 patents)

4.  Steven O Buchanan (8 out of 9 patents)

5.  James W Phillips (7 out of 7 patents)

Please report any incorrect information to [email protected]
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