Thomas Steffen

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Leicestershire, GB

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for selective catalytic reduction system
- Patent number 11,242,787
- Issue date Feb 8, 2022
- Perkins Engines Company Limited
- Leo Shead
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Apparatus and method for detecting urea deposit formation
- Patent number 10,550,744
- Issue date Feb 4, 2020
- Perkins Engines Company Limited
- Ronald Silver
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Method And Apparatus For Selective Catalytic Reduction System
- Publication number 20200386136
- Publication date Dec 10, 2020
- Perkins Engines Company Ltd
- Leo Shead
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Apparatus and Method for Detecting Urea Deposit Formation
- Publication number 20170096924
- Publication date Apr 6, 2017
- Caterpillar Inc.
- Ronald Silver
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Method and Apparatus for Estimating a Dosing-Error in a Selective C...
- Publication number 20150143884
- Publication date May 28, 2015
- Perkins Engines Company Limited
- David Heaton
- G01 - MEASURING TESTING