File:Flodin direct reduction furnace.png
![File:Flodin direct reduction furnace.png](https://upload.wikimedia.org/wikipedia/commons/thumb/e/ea/Flodin_direct_reduction_furnace.png/716px-Flodin_direct_reduction_furnace.png?20151108191002)
Original file (1,075 × 900 pixels, file size: 85 KB, MIME type: image/png)
Captions
Captions
Summary
editDescriptionFlodin direct reduction furnace.png |
Français : Brevet de Henning Flodin Gustav (US1691272), sur un four électrique de réduction directe. English: Henning Flodin Gustav patent (US1691272), describing its direct reduction furnace, or Flodin process. |
Date | |
Source | Patent US1691272A : Method of producing metals and metal alloys low in carbon |
Author | Gustaf Henning Flodin (1871-1940) |
Licensing
editPublic domainPublic domainfalsefalse |
![]() |
In general, the contents of United States patents are in the public domain.
In specific cases, patent applicants and holders may claim copyright in portions of those documents. In those specific cases, applicants are required to identify the portions that are protected under copyright, and are additionally required to state the following within the body of the application and patent (see 37 CFR 1.71(d) & (e) and 37 CFR 1.84(s), and MPEP § 608.01(e) & (w) and MPEP § 1512):
The original patent should be checked for the presence of such language before an assumption is made that the contents are in the public domain. (This template can be replaced by {{PD-US-patent-no notice}} in such cases.) |
File history
Click on a date/time to view the file as it appeared at that time.
Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 19:10, 8 November 2015 | ![]() | 1,075 × 900 (85 KB) | Borvan53 (talk | contribs) | User created page with UploadWizard |
You cannot overwrite this file.
File usage on Commons
There are no pages that use this file.
File usage on other wikis
The following other wikis use this file:
- Usage on en.wikipedia.org
- Usage on es.wikipedia.org
- Usage on zh.wikipedia.org
Metadata
This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.
Horizontal resolution | 118.1 dpc |
---|---|
Vertical resolution | 118.1 dpc |