David Lee Guymon has been granted 11 US patents while listed as an inventor at Lummus Technology . The first was granted in 2017 and the most recent in May 2025. David Lee Guymon ranks #435,149 of 4,157,543 US inventors in our database (top 10.5%). Patent records list David Lee Guymon in Houston, TX, US.
Patents per Year Patents granted per year, 2017 to 2025 Bar chart with a peak of 4 patents in 2023. peak 4 2017: 1 patents 2017 2018: 1 patents 2018 2022: 1 patents 2022 2023: 4 patents 2023 2024: 1 patents 2024 2025: 3 patents 2025
Issued Patents All Time
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Showing 1–11 of 11 patents
Patent # Title Co-Inventors Date
12297389 Plastic pyrolysis reactor Daniel T. Fernald , Ron Herbanek , Richard John Jibb , Sudipto Chakraborty , Johnny Doyle Combs +2 more 2025-05-13
12253024 Recuperative heat exchanger system Richard John Jibb , Ron Herbanek , Vincenzo Marco Brignone , Roberto Groppi 2025-03-18
12188395 Recuperative heat exchanger system Richard John Jibb , Ron Herbanek , Vincenzo Marco Brignone , Roberto Groppi 2025-01-07
12054363 System and methods for determining relative position and relative motion of objects Matthew McLean , Jeremy Welty , Makenna Ryan , Michael Middel 2024-08-06
11821699 Heat exchanger hanger system Ron Herbanek 2023-11-21
11795401 Conversion of waste plastics to petrochemicals Sudipto Chakraborty , Daniel T. Fernald , Ron Herbanek , Richard John Jibb , Johnny Doyle Combs +1 more 2023-10-24
11719141 Recuperative heat exchanger system Richard John Jibb , Ron Herbanek , Vincenzo Marco Brignone , Roberto Groppi 2023-08-08
11713220 Offshore ship-to-ship lifting with target tracking assistance Matthew McLean , Rinov Herawan 2023-08-01
11247877 Offshore ship-to-ship lifting with target tracking assistance Matthew McLean , Rinov Herawan 2022-02-15
9995413 Offshore horizontal product lay arrangement — 2018-06-12
9695958 Offshore horizontal product lay arrangement — 2017-07-04