Z Gerald Liu

This inventor holds 47 USPTO granted patents and 6 published patent applications and 7 EPO patents, primarily in Exhaust Gas Aftertreatment. Top assignees: Cummins Emission Solutions Inc., Fleetguard, Inc., Cummins Filtration IP, Inc.. Active years: 2002-2025.

USPTO Granted Patents = 47 (Patent Applications = 6)

% Patents Active = 91.5

EPO Patents = 7 (Patent Applications = 6)

Average Co-Inventor Count = 4.5

ph-index = 19

Forward Citations = 1,779(Granted Patents)

Location History:

Madison, IN (US) (2004)
Madison, WI (US) (2002 - 2024)

Company Filing History:

19 out of 361

Cummins Emission Solutions Inc.

Cummins Filtration IP, Inc.

patents

4. 4 out of 109

Nelson Industries, Inc.

3M Innovative Properties Company

where one patent can have more than one assignee

Years Active: 2002-2025

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Areas of Expertise:

SCR Catalysts

Diesel Particulate Filters

Reductant Systems

Exhaust Sensors

Catalytic Efficiency

Emissions Analysis

Mixing Systems

High Temperature Nanofilters

Chemical Mixing

Acoustic Effects

Flow Diffusers

Emission Reduction

47 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12281605 - Exhaust gas aftertreatment system (2025-04-21),

2. 12264612 - Mixers for use in aftertreatment systems (2025-04-01),

3. 12104517 - Treated SCR catalysts with enhanced sulfur resistance (2024-10-01),

4. 11982219 - Systems and methods for mixing exhaust gases and reductant in an aftertreatment system (2024-05-14),

5. 11946404 - Diesel fuel dosing module for regeneration of diesel particulate filters with continuous purging (2024-04-02),

6. 11905867 - Systems and methods for controlling exhaust gas aftertreatment sensor systems (2024-02-20),

7. 11795848 - Systems and methods for controlling exhaust gas aftertreatment sensor systems (2023-10-24),

8. 11761365 - Exhaust gas and reductant mixer for an aftertreatment system (2023-09-19),

9. 11753975 - Method and apparatus to enhance fractional efficiency of diesel and gasoline particulate filters (2023-09-12),

10. 11585253 - Converging liquid reductant injector nozzle in selective catalytic reduction systems (2023-02-21),

11. 11578634 - Optical sensing of NOand ammonia in aftertreatment systems (2023-02-14),

12. 11542847 - Systems and methods for mixing exhaust gases and reductant in an aftertreatment system (2023-01-03),

13. 11519310 - Method and apparatus to enhance fractional efficiency of diesel and gasoline particulate filters (2022-12-06),

14. 11346264 - Systems and methods for controlling exhaust gas aftertreatment sensor systems (2022-05-31),

15. 11193853 - Remanufacturable sensing assemblies and methods of remanufacture (2021-12-07),

Title: The Innovative Journey of Z Gerald Liu

Introduction: Z Gerald Liu, a pioneering inventor based in Madison, WI, has made significant contributions to the field of technology with his groundbreaking inventions and patents.

Latest Patents: Z Gerald Liu holds several patents in various technological domains, showcasing his continuous innovation and commitment to advancing the industry.

Career Highlights: With a career spanning over two decades, Z Gerald Liu has established himself as a prominent figure in the world of inventions. His work has not only revolutionized existing technologies but has also paved the way for new advancements in the field.

Collaborations: Throughout his career, Z Gerald Liu has collaborated with leading tech companies, research institutions, and universities to bring his inventions to life. His ability to work in diverse teams has led to the successful development and implementation of cutting-edge technologies.

Conclusion: Z Gerald Liu's passion for innovation, coupled with his dedication to pushing the boundaries of technology, has solidified his position as a respected inventor in Madison, WI, and beyond. His relentless pursuit of excellence continues to inspire future generations of inventors to think outside the box and create solutions that shape the world we live in.