Borrmann and Kaerting

• Address: Berlin

Borrmann and Kaerting was a German firm which applied for patents on propellers. The firm filed its patents from Berlin.

Their address was 23 Gerichtstrasse, Berlin. The applicants describe themselves as Manufacturers.

A source says: "Herren Borrmann und Kaerting started a furniture making company in 1905 and became makers of propellers in 1910, one of the earliest in Germany, although Hugo Heine is regarded as the first."

There are other sources on the Web referring to Borrmann and Kaerting, not fully investigated.

Patents associated with organization named Borrmann and Kaerting

• Patent DE-1910-236694 (English title: Wood propellers for aircraft, Filing date: 1910-02-14, Applicant firm: Borrmann and Kaerting)
• Patent AT-1910-59092 (English title: Wooden propellers for aircraft, Filing date: 1910-10-15, Supplementary to patent: Patent DE-1910-236694, Applicant firm: Borrmann and Kaerting)
• Patent FR-1911-425669 (English title: Wooden aircraft propeller, Filing date: 1911-02-04, Supplementary to patent: Patent DE-1910-236694, Applicant firm: Borrmann and Kaerting)
• Patent GB-1911-3727 (English title: Improvements in propellers for airships and flying-machines, Filing date: 1911-02-14, Supplementary to patent: Patent DE-1910-236694, Applicant firm: Borrmann and Kaerting)
• Patent HU-1911-56392 (English title: Wood Propeller for aircraft, Filing date: 1911-03-13, Supplementary to patent: Patent DE-1910-236694, Applicant firm: Borrmann and Kaerting)

References

Organization names	Borrmann and Kaerting; Borrmann & Kaerting
Entity type
Country	DE
Locations	Berlin
Affiliated with
Scope
Started aero	1910
Ended aero
Keywords	propellers, wood
Key people
Wikidata id