Patent US-1900-712689
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Concentrates airflow from propeller by encasing it in an open cylinder
Inventor location (imputed by HistPat): Teplitz, Austria-Hungary ; King county, WA (FIPSloc=53033)
Related to: DE18860 (1899), GA24047 (1899), & other applications
To do: Check spreadsheet for the number 390 -- what field should that go in?
Diagrams are more elaborate than European versions filed earlier. However, clearly part of the same family, as Krocker declares at the beginning of the application. In addition to the versions we know about already (June 2020) he mentions applications in:
- Sweden, dated December 4, 1899; and
- Belgium dated December 9, 1899.
Patent family descending from Patent DE-1899-123884
- Patent FR-1899-294871 (English title: Propulsor for balloons, Supplementary to patent: Patent DE-1899-123884, National tech categories: FR 6.3)
- Patent NO-1899-8600 (English title: propeller, Supplementary to patent: Patent DE-1899-123884)
- Patent DE-1899-123884 (English title: Airship with screws arranged in a tube in the elongated balloon body, National tech categories: DE 77h)
- Patent CH-1899-20834 (English title: Screw-airship, Supplementary to patent: Patent DE-1899-123884, National tech categories: CH 115)
- Patent DK-1899-3809 (English title: Device for airship screws, Supplementary to patent: Patent DE-1899-123884, National tech categories: DK 77)
- Patent GB-1899-24047 (English title: Air Ships or Vessels, Supplementary to patent: Patent DE-1899-123884, National tech categories: GB 4 with buoyant • GB 4 propel & steer)
- Patent AT-1899-4050 (English title: Air-screw housed in balloon body, Supplementary to patent: Patent DE-1899-123884, National tech categories: AT 77d)
- Patent HU-1899-18308 (English title: Hélices pour dirigeable, Supplementary to patent: Patent DE-1899-123884, National tech categories: HU V/h)
- Patent ES-1900-25267 (English title: Propeller for aerostatic vessels, Supplementary to patent: Patent DE-1899-123884)
- Patent US-1900-712689 (English title: Air ship or vessel, Supplementary to patent: Patent DE-1899-123884, National tech categories: USPC 244/73R)
Sources
- Searching USPC 244
- Patent 712689 document and bibliographic info on espacenet
- Patent 712689 at google patents
| Year filed | 1900 |
|---|---|
| Year granted | 1902 |
| Office | US |
| Patent number | 712689 |
| Inventors | Rudolf Krocker |
| Inventor country | |
| Applicant person | Ernst Rudolph Krocker |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | Air ship or vessel |
| English title | Air ship or vessel |
| Tech fields | propulsion, LTA, propeller |
| Filing date | 1900-01-04 |
| Full specification filed date | |
| Application number | 1900000390 |
| Grant date | 1902-11-04 |
| Granted? | 1 |
| Publication date | |
| Supplementary to patent | Patent DE-1899-123884 |
| Related to aircraft? | 1 |
| Serial number | |
| Patent agent | |
| Assigned to | |
| National tech categories | USPC 244/73R |
| IPCs | IPC B64C11/001 |
| CPCs | CPC B64C11/001 |
| Family year | 1900 |
| First filing? | 1 |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | 46779049 |
| INPADOC family ID | 43593923 |
| Number of text pages | |
| Number of diagram pages | |
| Number of figures | |
| Number of claims |
