ZL

Z. Gerald Liu

CS Cummins Emission Solutions: 19 patents #7 of 448Top 2%
FL Fleetguard: 10 patents #11 of 210Top 6%
CI Cummins Filtration Ip: 9 patents #59 of 460Top 15%
NI Nelson Industrial: 4 patents #15 of 105Top 15%
CU Cummins: 3 patents #356 of 1,560Top 25%
3M: 2 patents #5,326 of 11,543Top 50%
📍 Madison, WI: #44 of 4,527 inventorsTop 1%
🗺 Wisconsin: #419 of 40,088 inventorsTop 2%
Overall (All Time): #59,633 of 4,157,543Top 2%
47
Patents All Time

Issued Patents All Time

Showing 1–25 of 47 patents

Patent #TitleCo-InventorsDate
12281605 Exhaust gas aftertreatment system Apoorv Kalyankar, Achuth Munnannur, Niklas M. Schmidt 2025-04-22
12264612 Mixers for use in aftertreatment systems Apoorv Kalyankar, Achuth Munnannur 2025-04-01
12104517 Treated SCR catalysts with enhanced sulfur resistance Changsheng C. Su, Yuanzhou Xi, Jinqian Gong, Ramakrishna Gopal Dontha, Nathan A. Ottinger +1 more 2024-10-01
11982219 Systems and methods for mixing exhaust gases and reductant in an aftertreatment system Apoorv Kalyankar, Achuth Munnannur, Niklas M. Schmidt, Roy W. Detra, Mihai Chiruta 2024-05-14
11946404 Diesel fuel dosing module for regeneration of diesel particulate filters with continuous purging Mihai Chiruta, Barry M. Verdegan, Wassem Abdalla 2024-04-02
11905867 Systems and methods for controlling exhaust gas aftertreatment sensor systems Nathan A. Ottinger, M. Yusuf Khan, Shirish Ambadas Shimpi 2024-02-20
11795848 Systems and methods for controlling exhaust gas aftertreatment sensor systems Nathan A. Ottinger, M. Yusuf Khan, Shirish Ambadas Shimpi 2023-10-24
11761365 Exhaust gas and reductant mixer for an aftertreatment system Apoorv Kalyankar, Niklas M. Schmidt, Achuth Mannannur 2023-09-19
11753975 Method and apparatus to enhance fractional efficiency of diesel and gasoline particulate filters Changsheng C. Su, A. Carl McDonald, Ramakrishna Gopal Dontha, Niklas M. Schmidt, Nathan A. Ottinger +2 more 2023-09-12
11585253 Converging liquid reductant injector nozzle in selective catalytic reduction systems Achuth Munnannur, Niklas M. Schmidt 2023-02-21
11578634 Optical sensing of NOx and ammonia in aftertreatment systems Nathan A. Ottinger, Yuanzhou Xi 2023-02-14
11542847 Systems and methods for mixing exhaust gases and reductant in an aftertreatment system Apoorv Kalyankar, Achuth Munnannur, Niklas M. Schmidt, Roy W. Detra, Mihai Chiruta 2023-01-03
11519310 Method and apparatus to enhance fractional efficiency of diesel and gasoline particulate filters Changsheng C. Su, A. Carl McDonald, Ramakrishna Gopal Dontha, Niklas M. Schmidt, Nathan A. Ottinger +2 more 2022-12-06
11346264 Systems and methods for controlling exhaust gas aftertreatment sensor systems Nathan A. Ottinger, M. Yusuf Khan, Shirish Ambadas Shimpi 2022-05-31
11193853 Remanufacturable sensing assemblies and methods of remanufacture Nathan A. Ottinger, Rafael Ernesto Vasquez Lombardo, Krishna Pradeep Chilumukuru 2021-12-07
11136910 Systems and methods for mixing exhaust gases and reductant in an aftertreatment system Apoorv Kalyankar, Achuth Munnannur, Niklas M. Schmidt, Roy W. Detra, Mihai Chiruta 2021-10-05
10792626 Systems and methods for mixing exhaust gases and reductant in an aftertreatment system Apoorv Kalyankar, Achuth Munnannur, Niklas M. Schmidt, David Dunnuck 2020-10-06
10632430 Systems and methods for mixing exhaust gases and reductant in an aftertreatment system Apoorv Kalyankar, Achuth Munnannur, Niklas M. Schmidt, David Dunnuck 2020-04-28
10082062 Systems and methods for enhancing catalytic efficiency of SCR catalysts Nathan A. Ottinger, Yuanzhou Xi, Rebecca A. Veele, Changsheng C. Su, Niklas M. Schmidt 2018-09-25
10060845 Systems and methods for reducing secondary emissions from catalyst components Aleksey Yezerets, Krishna Kamasamudram, Neal W. Currier 2018-08-28
9849424 Reductant decomposition system Debbie Davidson, Duncan Engeham, Piotr Uban, David Elsey, Kenneth Pawson +5 more 2017-12-26
9644516 Mounting plate for mounting injectors and directing reductant flow in exhaust conduits Mihai Chiruta, Varjavan Dastoor 2017-05-09
9623377 Systems and methods for reducing secondary emissions from catalyst components Aleksey Yezerets, Krishna Kamasamudram, Neal W. Currier 2017-04-18
8756913 Exhaust gas sensor module Achuth Munnannur, Andrew W. Osburn, Shashidhar Srinivas, Jason Drost, Michael J. Welp +1 more 2014-06-24
8695330 Reductant decomposition system Debbie Davidson, Duncan Engeham, Piotr Urban, David Elsey, Ken Pawson +5 more 2014-04-15