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For the Inventor, By the Inventor

Plano, TX, United States of America

Span Instruments, Inc.

Calculating rank
USPTO Granted Patents = 19

Forward Citations = 196

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11 inventors (with patents filed for the assignee):

goldMedal Tommy L Gray (13 out of 14 patents)

silverMedal Henry Jemison McCarrick (6 out of 7 patents)

bronzeMedal Kevin Cochrane Ross (5 out of 6 patents)

4.  Douglas N Laube (2 out of 5 patents)

5.  Bruce Paynter (1 out of 1 patent)

6.  Joseph W Adamic, Jr (1 out of 1 patent)

7.  Steven Todd Ewing (1 out of 1 patent)

8.  Khanh Huy Tran (1 out of 2 patents)

9.  William Thomas Leyden, Iii (1 out of 2 patents)

10.  John Fletcher Jordon, Iii (1 out of 2 patents)

11.  Sam R Crowe (1 out of 1 patent)


19 patents:

1. 5949049 - Inventory control probe and control module with docking station (1999-09-07),
2. D390138 - Inventory control probe (1998-02-03),
3. D390111 - Inventory control collar (1998-02-03),
4. 5713692 - Inventory control collar locking ring (1998-02-03),
5. 5697173 - Inventory control collar (1997-12-16),
6. 5518951 - Method for making thin film piezoresistive sensor (1996-05-21),
7. 5253669 - Controlling process gas flow (1993-10-19),
8. 5218991 - Regulator flow control (1993-06-15),
9. 5138155 - Pressure gauge with fiber optic sensor (1992-08-11),
10. 5056373 - Flow responsive transmitter and indicator (1991-10-15),
11. 5051729 - Pressure responsive encoder (1991-09-24),
12. 4898036 - Flow responsive transmitter and indicator (1990-02-06),
13. 4745811 - Pressure monitoring apparatus having a Hall-effect detector (1988-05-24),
14. 4599902 - Condition responsive apparatus (1986-07-15),
15. 4331179 - Regulator/valve controller (1982-05-25),
Company Overview
Span Instruments, Inc. is a technology company based in Plano, Texas, specializing in advanced instrumentation solutions. The organization focuses on developing innovative products and systems that enhance measurement and control capabilities across various industries. With a commitment to research and development, Span Instruments leverages cutting-edge technology to address complex challenges in fields such as industrial automation and environmental monitoring, providing reliable and efficient solutions to its clients.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Nov 3 2026

19 Patents

#60 in Plano, TX

#1,033 in Texas

#17,151 in US

#32,686 in the World

Plano, TX (US)
Plano, TX, United States of America

Span Instruments, Inc.

Forward Citations = 196

11 inventors:

goldMedal Tommy L Gray (13 out of 14 patents)

silverMedal Henry Jemison McCarrick (6 out of 7 patents)

bronzeMedal Kevin Cochrane Ross (5 out of 6 patents)

4.  Douglas N Laube (2 out of 5 patents)

5.  Bruce Paynter (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Span Instruments, Inc.. Retrieved from https://idiyas.com/company/span-instruments

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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