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Inventor

Christian Trefzger

Inventor
Durham, NC, US

Overview

9→
Patents
2002–2021
Patent span
Performing operations
Primary field (CPC B)

Patents· 9 as inventor

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

B01Dprimary
B01DSeparation35%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry35%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general8%
Y02TClimate change mitigation technologies related to transportation8%
Y10TTechnical subjects covered by former us classification8%
C02FTreatment of water, waste water, sewage, or sludge4%
F25BRefrigeration machines, plants or systems4%
PatentTitleYear
11,125,134Diffuser assemblies and catalytic reactors comprising the same202111,083,996SCR catalyst modules and associated catalytic reactors202110,690,035Diffuser assemblies and catalytic reactors comprising the same20209,707,541'Gradient catalyst compositions and applications thereof'20178,901,033'Catalyst compositions and applications thereof'20148,277,737'Catalyst systems'20127,807,110'Catalyst systems'20107,776,786'Catalyst systems advantageous for high particulate matter environments'20106,458,187'Shaped body of zeolite, a process for its production and its use'2002

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2002Patents assigned to GRACE GMBH & CO KG (1)· patent assignee history
2002–2021Based in Durham, NC, US· patent location history
2010–2021Patents assigned to CORMETECH INC (8)· patent assignee history
2012–2017Patents assigned to DIFRANCESCO CHRIS E (3)· patent assignee history
2012–2017Patents assigned to TREFZGER CHRISTIAN (3)· patent assignee history
2012Patents assigned to ALTIZER JAMES C (1)· patent assignee history
2021Based in Horsehead, NY, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CORMETECH INC82010–2021
DIFRANCESCO CHRIS E32012–2017
TREFZGER CHRISTIANself32012–2017
ALTIZER JAMES C12012
GRACE GMBH & CO KG12002
Locations
LocationPatentsSpan
Durham, NC, US82002–2021
Horsehead, New York, US12021