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Inventor

PATRICK G. SZYMKOWICZ

Inventor
US

Overview

2→
Patents
2023–2025
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 2 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

F01Nprimary
F01NGas-flow silencers or exhaust apparatus for machines or engines in general40%
Y02TClimate change mitigation technologies related to transportation40%
B01DSeparation20%
PatentTitleYear
12,338,762Exhaust gas treatment system for controlling hydrocarbon adsorption/desorption in hydrocarbon trap202511,802,502Hydrocarbon adsorption and desorption control in vehicle exhaust systems using H2023

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2023–2025Patents assigned to GM GLOBAL TECH OPERATIONS LLC (2)· patent assignee history
2023–2025Based in US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GM GLOBAL TECH OPERATIONS LLC22023–2025
Locations
LocationPatentsSpan
US22023–2025