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Hartmann Otto Hermann received US Patent No. 1,636,775 on July 26, 1927, filed December 2, 1921. It was assigned to Schmidtsche Heissdampf GmbH.
The patent's description opens (from the scanned text):
The invention is particularly advantageous as applied to the exhaust steam of a high-pressure back-pressure engine with an initial pressure of not less than atmospheres.
- Author
- Hartmann Otto Hermann
- Published by
- US Patent Office
- Series
- US Patent No. 1,636,775
- Date
- July 26, 1927
- Library no.
- ACL Doc 23048 · asbestosclaims.law/library/23048
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 4 pages · 343 KB
Where it was listed
- Asbestos, November 1927, in its patents department (the year's issues)
- Asbestos, November 1927, in its patents department (the year's issues)
Cite this document
Hartmann Otto Hermann. “Method of Conveying Steam Thru Long Distance Pipe Lines (US Patent 1,636,775, 1927).” July 26, 1927. US Patent No. 1,636,775. US Patent Office. AsbestosClaims.Law Library, ACL Doc 23048. https://asbestosclaims.law/library/23048.
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