Issued Patents All Time
Showing 1–25 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12297389 | Plastic pyrolysis reactor | David Lee Guymon, Daniel T. Fernald, Ron Herbanek, Sudipto Chakraborty, Johnny Doyle Combs +2 more | 2025-05-13 |
| 12253024 | Recuperative heat exchanger system | David Lee Guymon, Ron Herbanek, Vincenzo Marco Brignone, Roberto Groppi | 2025-03-18 |
| 12188395 | Recuperative heat exchanger system | David Lee Guymon, Ron Herbanek, Vincenzo Marco Brignone, Roberto Groppi | 2025-01-07 |
| 11971229 | Heat exchanger closure assemblies and methods of using and installing the same | David Thomas Creech, Randy Lee Eberly, Elizabeth MacLean Meacham, Henk Boekhouder, Roberto Groppi +2 more | 2024-04-30 |
| 11852424 | Heat exchanger closure assemblies and methods of using and installing the same | David Thomas Creech, Randy Lee Eberly, Elizabeth MacLean Meacham, Henk Boekhouder, Roberto Groppi +2 more | 2023-12-26 |
| 11795401 | Conversion of waste plastics to petrochemicals | Sudipto Chakraborty, Daniel T. Fernald, David Lee Guymon, Ron Herbanek, Johnny Doyle Combs +1 more | 2023-10-24 |
| 11719141 | Recuperative heat exchanger system | David Lee Guymon, Ron Herbanek, Vincenzo Marco Brignone, Roberto Groppi | 2023-08-08 |
| 11287196 | Helically baffled heat exchanger | Eric Drew Macedo, Sherif Elsayed, Melanie O'Sullivan | 2022-03-29 |
| 11079185 | Heat exchanger closure assemblies and methods of using and installing the same | David Thomas Creech, Randy Lee Eberly, Elizabeth MacLean Meacham, Henk Boekhouder, Roberto Groppi +2 more | 2021-08-03 |
| 10527357 | Feed effluent heat exchanger | Vincenzo Marco Brignone | 2020-01-07 |
| 10048003 | Insulation arrangement | John Henri Royal | 2018-08-14 |
| 9222725 | Air separation method and apparatus | Neil M. Prosser | 2015-12-29 |
| 9086235 | Insulation arrangement | John Henri Royal | 2015-07-21 |
| 9038413 | Separation method and apparatus | Henry Edward Howard | 2015-05-26 |
| 8820115 | Oxygen production method and apparatus | Henry Edward Howard | 2014-09-02 |
| 8726691 | Air separation apparatus and method | Maulik R. Shelat, Lyda Zambrano | 2014-05-20 |
| 8647076 | Multistage compressor installation | Robert L. Baker, Jeffrey Charles Goodband, John Henri Royal | 2014-02-11 |
| 8397535 | Method and apparatus for pressurized product production | Henry Edward Howard, David R. Parsnick, Todd Alan Skare, Maulik R. Shelat | 2013-03-19 |
| 8376035 | Plate-fin heat exchanger | Henry Edward Howard | 2013-02-19 |
| 8376718 | Multistage compressor installation | Robert L. Baker, Jeffrey Charles Goodband, John Henri Royal | 2013-02-19 |
| 8286446 | Method and apparatus for separating air | Henry Edward Howard, Kirk F. Larson | 2012-10-16 |
| 8198570 | Magnetic annealing tool heat exchange system and processes | John Fredric Billingham, Edward Duffy, Noel O'Shaughnessy, Kevin McMahon, Peter Ferris | 2012-06-12 |
| 8020408 | Separation method and apparatus | Henry Edward Howard | 2011-09-20 |
| 7854236 | Vacuum insulated piping assembly method | Wevone C. Hobbs, Robert W. Fix, Michael Marshall, Susan Renee Kelley | 2010-12-21 |
| 7779899 | Plate-fin heat exchanger having application to air separation | Henry Edward Howard | 2010-08-24 |