Railroad gondola car structure
US-2015375760-A1 · Dec 31, 2015 · US
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Nat Steel Car Ltd patents in 2015
Nat Steel Car Ltd was listed as an assignee on 10 patent publications in 2015.
| Metric | Value |
|---|---|
| Company | Nat Steel Car Ltd |
| Year | 2015 |
| Patents | 10 |
Patents
Representative publications for Nat Steel Car Ltd in 2015.
Rail road car draft fittings
US-9193366-B2 · Nov 24, 2015 · US
Railroad gondola car structure
US-9156478-B2 · Oct 13, 2015 · US
Movable support fitting for railroad car
US-9114813-B2 · Aug 25, 2015 · US
Fittings for autorack railroad car
US-9067605-B2 · Jun 30, 2015 · US
Top CPC classifications
Most common classification codes for Nat Steel Car Ltd in 2015.
| CPC | Patents |
|---|---|
| B61D17/00 | 4 |
| B61D3/18 | 3 |
| B61D17/08 | 2 |
| B61D19/001 | 2 |
| B61D23/02 | 2 |
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