David Lambert

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Columbus, IN, US

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Patents Grantslast 30 patents

Information Patent Grant
Illuminated road marker
- Patent number 11,047,098
- Issue date Jun 29, 2021
- David E. Lambert
- F21 - LIGHTING
Information Patent Grant
Reflective road marker
- Patent number 10,968,583
- Issue date Apr 6, 2021
- David E. Lambert
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Ventilation controls for dual-fuel engines
- Patent number 10,677,175
- Issue date Jun 9, 2020
- Cummins Inc.
- Robert J. Thomas
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Illuminated road marker
- Patent number 10,480,138
- Issue date Nov 19, 2019
- David E. Lambert
- F21 - LIGHTING

Patents Applicationslast 30 patents

Information Patent Application
REFLECTIVE ROAD MARKER
- Publication number 20240218618
- Publication date Jul 4, 2024
- David E. Lambert
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Application
REFLECTIVE ROAD MARKER
- Publication number 20210180275
- Publication date Jun 17, 2021
- David E. Lambert
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Application
ILLUMINATED ROAD MARKER
- Publication number 20200040536
- Publication date Feb 6, 2020
- David E. Lambert
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Application
REFLECTIVE ROAD MARKER
- Publication number 20190032291
- Publication date Jan 31, 2019
- David E. Lambert
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Application
ILLUMINATED ROAD MARKER
- Publication number 20180347127
- Publication date Dec 6, 2018
- David E. Lambert
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Application
VENTILATION CONTROLS FOR DUAL-FUEL ENGINES
- Publication number 20170204792
- Publication date Jul 20, 2017
- Cummins Inc.
- Robert J. Thomas
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS