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For the Inventor, By the Inventor

Hartland, WI, United States of America

Midwest Instrument Co., Inc.

Calculating rank
USPTO Granted Patents = 21

Forward Citations = 244

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14 inventors (with patents filed for the assignee):

goldMedal Richard A Falk (12 out of 37 patents)

silverMedal Joseph J Boron (5 out of 8 patents)

bronzeMedal James A Behring (3 out of 4 patents)

4.  James W Colzani (3 out of 3 patents)

5.  Gerhard Wünsch (1 out of 2 patents)

6.  Hartmut Wunsch (1 out of 1 patent)

7.  Thomas W Junker (1 out of 2 patents)

8.  Larry Janicsek (1 out of 1 patent)

9.  William Falk (1 out of 1 patent)

10.  Robert W Nott (1 out of 1 patent)

11.  James S Bluma (1 out of 1 patent)

12.  John H Roberson (1 out of 1 patent)

13.  Michael J Pinterics (1 out of 1 patent)

14.  Nelson H Kehl (1 out of 1 patent)


21 patents:

1. 6370973 - Device for removing slag samples (2002-04-16),
2. 6216526 - Gas sampler for molten metal and method (2001-04-17),
3. 5975755 - Shield for molten metal immersible thermocouple support pole (1999-11-02),
4. 5948999 - Molten metal dip sampler (1999-09-07),
5. 5948350 - Device for dispensing additive in molten metal sample mold (1999-09-07),
6. 5772324 - Protective tube for molten metal immersible thermocouple (1998-06-30),
7. 5740772 - Oil filter cooler (1998-04-21),
8. 5720553 - Apparatus and process for rapid direct dip analysis of molten iron (1998-02-24),
9. 5669956 - Apparatus and method for molten metal depth detection (1997-09-23),
10. 5591894 - Hydrogen sampler for molten metal and method (1997-01-07),
11. 5524497 - Additive for molten metal sampler (1996-06-11),
12. 5447080 - Additive for molten metal sampler (1995-09-05),
13. 5184894 - Method of using an immersible air cooled thermocouple (1993-02-09),
14. 5104234 - Air cooled thermocouple lance (1992-04-14),
15. 5014561 - Method and apparatus for obtaining accurate sample (1991-05-14),
Company Overview
Midwest Instrument Co., Inc. is a specialized manufacturer based in Hartland, Wisconsin, focusing on precision measurement instruments. The company develops a range of products including pressure gauges, temperature sensors, and other instrumentation solutions tailored for various industrial applications. With a commitment to quality and innovation, Midwest Instrument serves diverse sectors such as manufacturing, HVAC, and process control, providing reliable tools that enhance operational efficiency and safety.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Nov 3 2026

21 Patents

#4 in Hartland, WI

#373 in Wisconsin

#15,716 in US

#29,999 in the World

Hartland, WI (US)
Hartland, WI, United States of America

Midwest Instrument Co., Inc.

Forward Citations = 244

14 inventors:

goldMedal Richard A Falk (12 out of 37 patents)

silverMedal Joseph J Boron (5 out of 8 patents)

bronzeMedal James A Behring (3 out of 4 patents)

4.  James W Colzani (3 out of 3 patents)

5.  Gerhard Wünsch (1 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Midwest Instrument Co., Inc.. Retrieved from https://idiyas.com/company/midwest-instrument-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]
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