-
Mobile barrier
-
Patent number 12,227,911
-
Issue date Feb 18, 2025
-
Concaten, Inc.
-
Kevin K. Groeneweg
-
B60 - VEHICLES IN GENERAL
-
-
-
-
-
-
Mobile barrier
-
Patent number 11,560,679
-
Issue date Jan 24, 2023
-
Concaten, Inc.
-
Kevin K. Groeneweg
-
B60 - VEHICLES IN GENERAL
-
-
Safety trailer
-
Patent number 11,384,494
-
Issue date Jul 12, 2022
-
Concaten, Inc.
-
Kevin K. Groeneweg
-
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
-
-
-
Mobile barrier
-
Patent number 10,920,384
-
Issue date Feb 16, 2021
-
Concaten, Inc.
-
Kevin K. Groeneweg
-
B60 - VEHICLES IN GENERAL
-
-
Mobile barrier
-
Patent number 10,669,681
-
Issue date Jun 2, 2020
-
Concaten, Inc.
-
Kevin K. Groeneweg
-
B60 - VEHICLES IN GENERAL
-
Roadway work area safety truck
-
Patent number 10,319,227
-
Issue date Jun 11, 2019
-
Royal Truck & Equipment, Inc.
-
Robert H Roy
-
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
-
Safety trailer
-
Patent number 10,301,787
-
Issue date May 28, 2019
-
Concaten, Inc.
-
Kevin K. Groeneweg
-
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
-
Mobile barrier
-
Patent number 10,240,308
-
Issue date Mar 26, 2019
-
Concaten, Inc.
-
Kevin K. Groeneweg
-
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
-
Mobile barrier
-
Patent number 10,179,981
-
Issue date Jan 15, 2019
-
Concaten, Inc.
-
Kevin K. Groeneweg
-
B60 - VEHICLES IN GENERAL
-
Crash attenuator
-
Patent number RE46861
-
Issue date May 22, 2018
-
Energy Absorption Systems, Inc.
-
John F. LaTurner
-
Safety trailer
-
Patent number 9,725,858
-
Issue date Aug 8, 2017
-
Concaten, Inc.
-
Kevin K. Groeneweg
-
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
-
Mobile barrier
-
Patent number 9,481,969
-
Issue date Nov 1, 2016
-
Concaten, Inc.
-
Kevin K. Groeneweg
-
B60 - VEHICLES IN GENERAL
-
Crash attenuator
-
Patent number 9,399,845
-
Issue date Jul 26, 2016
-
Energy Absorption Systems, Inc.
-
Michael J. Buehler
-
B60 - VEHICLES IN GENERAL
-
Mobile barrier
-
Patent number 9,394,657
-
Issue date Jul 19, 2016
-
Concaten, Inc.
-
Kevin K. Groeneweg
-
B60 - VEHICLES IN GENERAL
-
Mobile barrier
-
Patent number 9,273,437
-
Issue date Mar 1, 2016
-
Concaten, Inc.
-
Kevin K. Groeneweg
-
B60 - VEHICLES IN GENERAL
-
Safety trailer
-
Patent number 9,267,250
-
Issue date Feb 23, 2016
-
Concaten, Inc.
-
Kevin K. Groeneweg
-
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
-
-
Safety trailer
-
Patent number 8,777,255
-
Issue date Jul 15, 2014
-
Concaten, Inc.
-
Kevin K. Groeneweg
-
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
-
-
Mobile barrier
-
Patent number 8,657,525
-
Issue date Feb 25, 2014
-
Concaten, Inc.
-
Kevin K. Groeneweg
-
B60 - VEHICLES IN GENERAL
-
Safety trailer
-
Patent number 8,628,110
-
Issue date Jan 14, 2014
-
Concaten, Inc.
-
Kevin K. Groeneweg
-
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES