Inventor
John Carl Steichen
Inventor
Landenberg, PA, US
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Nprimary
G01NInvestigating or analysing materials by determining their chemical or physical properties26%
C09KMaterials for miscellaneous applications, not provided for elsewhere10%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general10%
Y02ATechnologies for adaptation to climate change10%
Y02TClimate change mitigation technologies related to transportation10%
Y10TTechnical subjects covered by former us classification10%
B01DSeparation6%
G01MTesting static or dynamic balance of machines or structures6%
B01FMixing, e.g. dissolving, emulsifying or dispersing3%
F02DControlling combustion engines3%
PatentTitleYear
8,323,574'Method and apparatus for reducing a nitrogen oxide, and control thereof'20128,070,355'Method of detecting leaks of fluoroolefin compositions and sensors used therefor'20118,058,070'Method of determining the components of a fluoroolefin composition, method of recharging a fluid system in response thereto, and sensors used therefor'20117,779,668'Detectable refrigerant compositions and uses thereof'20107,763,208'System and method for sensing and analyzing gases'20107,575,931'Method and apparatus for reducing a nitrogen oxide, and control thereof'20097,231,290'Method and apparatus for controlling a gas-emitting process and related devices'20074,910,406'Method for detecting the presence of contaminants in a reusable plastic food or beverage container'19904,745,794'Analyzer for carbon dioxide in beverages'19884,427,298'Method and system for accurately providing fluid blends'1984Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1984–2012Patents assigned to DU PONT (10)· patent assignee history
1984–2012Based in Landenberg, PA, US· patent location history
2011–2012Patents assigned to STEICHEN JOHN CARL (3)· patent assignee history
2011Patents assigned to LAUBACHER DANIEL B (2)· patent assignee history
2011Patents assigned to MINOR BARBARA HAVILAND (2)· patent assignee history
2011Patents assigned to MOULI NANDINI C (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DU PONT | 10 | 1984–2012 |
| STEICHEN JOHN CARLself | 3 | 2011–2012 |
| LAUBACHER DANIEL B | 2 | 2011 |
| MINOR BARBARA HAVILAND | 2 | 2011 |
| MOULI NANDINI C | 2 | 2011 |
Locations
| Location | Patents | Span |
|---|---|---|
| Landenberg, Pennsylvania, US | 10 | 1984–2012 |