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For the Inventor, By the Inventor

Austin, TX, United States of America

Fieldbus Foundation

USPTO Granted Patents = 11

% Expired Patents = 63.6


Trademarks = 3

Forward Citations = 633

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39 inventors (with patents filed for the assignee):

goldMedal David A Glanzer (9 out of 9 patents)

silverMedal Ram Ramachandran (6 out of 27 patents)

bronzeMedal Lee Allen Neitzel (4 out of 13 patents)

4.  John Carl Gabler (4 out of 6 patents)

5.  Joseph D Duffy (4 out of 4 patents)

6.  Stephen B Mitschke (4 out of 4 patents)

7.  L Jonas F Berge (3 out of 3 patents)

8.  Hiroshi Mori (2 out of 110 patents)

9.  Jack Elias (2 out of 8 patents)

10.  Yasuo Kumeda (2 out of 4 patents)

11.  Kenneth D Krivoshein (2 out of 9 patents)

12.  William R Hodson (2 out of 2 patents)

13.  Patricia E Brett (2 out of 2 patents)

14.  Frank Lynch (2 out of 2 patents)

15.  Thomas B Kinney (2 out of 13 patents)


11 patents:

1. 8676357 - System and method for implementing an extended safety instrumented system (2014-03-18),
2. 8539110 - Block-orientated control system having wireless gateway for communication with wireless field devices (2013-09-17),
3. 7489977 - System and method for implementing time synchronization monitoring and detection in a safety instrumented system (2009-02-10),
4. 7486999 - System and method for implementing safety instrumented systems in a fieldbus architecture (2009-02-03),
5. 7272457 - Flexible function blocks (2007-09-18),
6. 7167762 - System and method for implementing safety instrumented systems in a fieldbus architecture (2007-01-23),
7. 7146230 - Integrated fieldbus data server architecture (2006-12-05),
8. 6999824 - System and method for implementing safety instrumented systems in a fieldbus architecture (2006-02-14),
9. 6826590 - Block-oriented control system on high speed ethernet (2004-11-30),
10. 6594530 - Block-oriented control system (2003-07-15),
11. 6424872 - Block oriented control system (2002-07-23),
Company Overview
The Fieldbus Foundation is dedicated to the advancement of fieldbus technology, which enhances communication in industrial automation systems. Based in Austin, TX, the organization focuses on developing open standards that facilitate interoperability among devices in process automation. By promoting the use of fieldbus protocols, the Foundation aims to improve efficiency, reliability, and flexibility in various sectors, including manufacturing and process control, ensuring that industries can leverage modern communication technologies effectively.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

11 Patents

#272 in Austin, TX

#1,726 in Texas

#27,529 in US

#51,801 in the World

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

Fieldbus Foundation

Forward Citations = 633

39 inventors:

goldMedal David A Glanzer (9 out of 9 patents)

silverMedal Ram Ramachandran (6 out of 27 patents)

bronzeMedal Lee Allen Neitzel (4 out of 13 patents)

4.  John Carl Gabler (4 out of 6 patents)

5.  Joseph D Duffy (4 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Fieldbus Foundation. Retrieved from https://idiyas.com/company/fieldbus-foundation

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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