Ryerson Holding Corporation (RYZ)
Patents
US patents through Dec 31, 2025 · PatentsView, from the USPTO’s Open Data Portal · read Oct 27, 20262 patents granted to the 2 names below, as the owner printed on each patent when it was granted. A later sale, a lapse or an expiry is not read, so this is what was granted to Ryerson Holding Corporation’s names, not what it holds today.
0 published
1 published
| Granted | Patent | Title | Field | Owner as printed |
|---|---|---|---|---|
| Feb 7, 1995 | 5,386,674 | Two piece bulkhead door for rail cars and the like | Transport | Joseph T. Ryerson & Son, Inc. |
| Jul 19, 1994 | 5,329,858 | Universal telescoping bulkhead door trolley assembly | Transport | Joseph T. Ryerson & Son, Inc. |
| Published | Application | Title | Field | Owner as printed |
|---|---|---|---|---|
| Dec 4, 2025 | 2025/0371593 | METHODS AND APPARATUS TO PROVIDE A QUOTATION FOR METAL USING MACHINE LEARNING MODEL(S) | IT methods for management | Ryerson Procurement Corporation |
A patent is counted where the owner printed on it when it was granted carries the company’s own name, a former name, the name of a subsidiary its annual report lists, or its own name with a patent-holding phrase (Technology Licensing, Intellectual Property and the like), once the legal form, case and punctuation are set aside, and prints a country that name counts in. PatentsView’s data are published under the Creative Commons Attribution 4.0 licence. Source: PatentsView's granted patents and pre-grant publications, disambiguated, from the USPTO's Open Data Portal, through Dec 31, 2025, read Oct 27, 2026.