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For the Inventor, By the Inventor

Houston, TX, United States of America

Lummus Technology Inc.


USPTO Granted Patents = 305

% Expired Patents = 12.5



Trademarks = 17

Forward Citations = 1,032

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310 inventors (with patents filed for the assignee):

goldMedal Ujjal Mukherjee (38 out of 54 patents)

silverMedal Kandasamy Sundaram (35 out of 36 patents)

bronzeMedal Liang Chen (25 out of 26 patents)

4.  Peter Loezos (23 out of 35 patents)

5.  Joel M Cizeron (23 out of 63 patents)

6.  Ronald M Venner (22 out of 23 patents)

7.  Robert J Gartside (21 out of 72 patents)

8.  Marvin I Greene (20 out of 31 patents)

9.  Guido Radaelli (19 out of 38 patents)

10.  Jarod McCormick (18 out of 42 patents)

11.  Kevin John Schwint (18 out of 19 patents)

12.  Bala Ramachandran (18 out of 19 patents)

13.  Rama Rao Marri (17 out of 17 patents)

14.  Bryan Tomsula (15 out of 15 patents)

15.  Chuen Yuan Yeh (15 out of 41 patents)


Core Competencies:
Olefins
Natural Gas
Catalysts
Hydrocracking
Pyrolysis
Fluid Catalytic Cracking
Gas Separation
Hydrogen Recovery
Chemical Conversion
Heat Exchanger
Paraffin Dehydrogenation
Ethylene Maximization

305 patents:

1. 12736221 - Selective catalytic reduction catalyst module support system and installation method (2026-09-15),
2. 12716035 - Selective treatment of FCC gasoline for removal of sulfur, nitrogen, and olefin compounds while maximizing retention of aromatic compounds (2026-08-25),
3. 12692446 - Hybrid furnace with fuel and/or electricity (2026-07-28),
4. 12674101 - Multi row radiant coil arrangement of a cracking heater for olefin production (2026-07-07),
5. 12655075 - Methods and systems for converting carbon oxides to olefins (2026-06-16),
6. 12637626 - Process for mixing dilution steam with liquid hydrocarbons before steam cracking (2026-05-26),
7. 12612344 - Catalysts and methods for natural gas processes (2026-04-28),
8. 12606503 - Paraffin dehydrogenation reactor electric heater (2026-04-21),
9. 12589994 - Enhanced hydrogen recovery utilizing gas separation membranes integrated with pressure swing adsorption unit and/or cryogenic separation system (2026-03-31),
10. 12583805 - Co-production of high purity isobutylene and high purity isooctene (2026-03-24),
11. 12582960 - Flexible production of gasoline and jet fuel in alkylation reactor (2026-03-24),
12. 12577475 - Process for conversion of very light, sweet crude oil to chemicals (2026-03-17),
13. 12571585 - Process and apparatus for heavy hydrocarbon removal from lean natural gas before liquefaction (2026-03-10),
14. 12553669 - External combustion air preheat (2026-02-17),
15. 12534671 - Plastic pyrolysis heating/reaction recipe (2026-01-27),
Lummus Technology is a global leader in providing process technologies, catalysts, and engineering services for the refining, petrochemical, and gas processing industries. With a rich history of innovation, Lummus Technology has been delivering cutting-edge solutions to its clients for over 110 years. Their expertise encompasses a wide range of processes, including crude oil refining, ethylene and polyolefins production, hydrogen and synthesis gas production, and more. Lummus Technology's commitment to excellence and customer satisfaction has made them a trusted partner for industry-leading companies worldwide.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Sep 22 2026

Lummus Technology Inc.
305 Patents

#32 in Houston, TX

#82 in Texas

#1,434 in US

#2,925 in the World

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

Lummus Technology Inc.

Forward Citations = 1,032

310 inventors:

goldMedal Ujjal Mukherjee (38 out of 54 patents)

silverMedal Kandasamy Sundaram (35 out of 36 patents)

bronzeMedal Liang Chen (25 out of 26 patents)

4.  Peter Loezos (23 out of 35 patents)

5.  Joel M Cizeron (23 out of 63 patents)

Please report any incorrect information to [email protected]
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