Vent cover assemblies for railroad hopper cars
US-2025282396-A1 · Sep 11, 2025 · US
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Zaerr Jon B patents
Zaerr Jon B is listed as an inventor on 8 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Zaerr Jon B |
| Total patents | 8 |
| First publication | Jun 23, 2015 |
| Latest publication | Sep 11, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Coupler cross keys
US-12409872-B1 · Sep 9, 2025 · US
Autorack cars
US-11878724-B2 · Jan 23, 2024 · US
Autorack cars
US-2022032972-A1 · Feb 3, 2022 · US
End door latch arrangement for railroad car
US-10871012-B2 · Dec 22, 2020 · US
End door latch arrangement for railroad car
US-2020063469-A1 · Feb 27, 2020 · US
Railroad Car for Carrying Motor Vehicles
US-2015284012-A1 · Oct 8, 2015 · US
Railroad car for carrying motor vehicles
US-9061687-B2 · Jun 23, 2015 · US
Recent patents
Latest publications not already listed above.
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Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Gunderson Llc | 8 |
Top CPC classifications
Most common classification codes across this inventor's patents.