Inventor
Steven F. Meister
Inventor
Chillicothe, IL, US
Overview
Patents· 14 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F01Lprimary
F01LCyclically operating valves for machines or engines20%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general20%
B01DSeparation13%
Y02TClimate change mitigation technologies related to transportation13%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof7%
G01FMeasuring volume, volume flow, mass flow or liquid level7%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
Y10TTechnical subjects covered by former us classification7%
B08BCleaning in general3%
F02DControlling combustion engines3%
PatentTitleYear
9,546,896'Method and apparatus for measuring ash deposit levels in a particular filter'20178,979,986'Method and apparatus for measuring ash deposit levels in a particulate filter'20158,832,957'Apparatus and method for determining ash height in a filter'20148,568,536'Filter cleaning tool and method'20138,157,897'Filter purge system utilizing impact wave generating device and vacuum source'20128,142,552'Filter purge system utilizing a reactive propellant'20126,223,646'Camless valve actuator for compression braking and normal engine operations'20015,694,893'Outward opening valve system for an engine'19975,636,602'Push-pull valve assembly for an engine cylinder'19975,606,940'Engine valve seating velocity hydraulic snubber'19975,597,118'Direct-operated spool valve for a fuel injector'19975,531,192'Hydraulically actuated valve system'19965,499,608'Method of staged activation for electronically actuated fuel injectors'19965,421,359'Engine valve seating velocity hydraulic snubber'1995Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1995–2017Patents assigned to CATERPILLAR INC (14)· patent assignee history
1995–2017Based in Chillicothe, IL, US· patent location history
2012–2014Patents assigned to MEISTER STEVEN FRANCIS (3)· patent assignee history
2012Patents assigned to BRUZA PHILIP STEPHEN (1)· patent assignee history
2012Patents assigned to FRISCH JAMIE ERIN (1)· patent assignee history
2013–2015Patents assigned to PAINTER DAVID (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CATERPILLAR INC | 14 | 1995–2017 |
| MEISTER STEVEN FRANCISself | 3 | 2012–2014 |
| PAINTER DAVID | 2 | 2013–2015 |
| BRUZA PHILIP STEPHEN | 1 | 2012 |
| FRISCH JAMIE ERIN | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Chillicothe, Illinois, US | 14 | 1995–2017 |