Michael Gillis

Follow

Person

Portland, OR, US

People

Patents Grantslast 30 patents

Information Patent Grant
Asymmetric hopper cars
- Patent number 12,122,431
- Issue date Oct 22, 2024
- Gunderson LLC
- Michael Gillis
- B61 - RAILWAYS
Information Patent Grant
Covered hopper car
- Patent number 10,807,615
- Issue date Oct 20, 2020
- Gunderson LLC
- Michael Gillis
- B61 - RAILWAYS
Information Patent Grant
Covered hopper car with stiffened bulkheads
- Patent number 10,562,545
- Issue date Feb 18, 2020
- Gunderson LLC
- Michael Gillis
- B61 - RAILWAYS
Information Patent Grant
Lightweight hopper car with through center sill
- Patent number 7,861,659
- Issue date Jan 4, 2011
- Gunderson LLC
- Michael Gillis
- B61 - RAILWAYS
Information Patent Grant
Center sill for railroad freight car
- Patent number 7,856,931
- Issue date Dec 28, 2010
- Gunderson LLC
- Michael Gillis
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
ASYMMETRIC HOPPER CARS
- Publication number 20210362752
- Publication date Nov 25, 2021
- GUNDERSON LLC
- Michael Gillis
- B61 - RAILWAYS
Information Patent Application
COVERED HOPPER CAR
- Publication number 20180334178
- Publication date Nov 22, 2018
- GUNDERSON LLC
- Michael Gillis
- B61 - RAILWAYS
Information Patent Application
COVERED HOPPER CAR WITH STIFFENED BULKHEADS
- Publication number 20180127004
- Publication date May 10, 2018
- GUNDERSON LLC
- Michael Gillis
- B61 - RAILWAYS
Information Patent Application
Center sill for railroad freight car
- Publication number 20100126375
- Publication date May 27, 2010
- Gunderson LLC
- Michael Gillis
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Lightweight hopper car with through center sill
- Publication number 20080035014
- Publication date Feb 14, 2008
- Michael Gillis
- B61 - RAILWAYS