Drilldown: Patents
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Patents > Year granted:
1900 - 1909 
& Inventor country:
DE
& National tech categories :
DE 77h.9 or
HU V/h or
USPC 244/30
& Inventor country:
DE
& National tech categories :
DE 77h.9 or
HU V/h or
USPC 244/30 Use the filters below to narrow your results.
Inventors:
None (5) ·
Alfred K. R. A. Krakow (1) ·
August Riedinger (1) ·
Carl Blumencorn (1) ·
Emil Lehmann (1) ·
Franz Bollhorn (1) ·
Georg Von Schoenermarck (1) ·
Gustav Behrens (1) ·
Gustav Kerwat (1) ·
Gustav Knäpper (1) ·
Heinrich Hildebrand (1) ·
Josef Seiberl (1) ·
Joseph Hofmann (1) ·
Theodor Steinmann (1)
Inventor country: (Click arrow to add another value)
Applicant person:
None (5) ·
Alfred K. R. A. Krakow (1) ·
August Riedinger (1) ·
Carl Blumencorn (1) ·
Emil Lehmann (1) ·
Franz Bollhorn (1) ·
Georg Von Schoenermarck (1) ·
Gustav Behrens (1) ·
Gustav Kerwat (1) ·
Gustav Knäpper (1) ·
Heinrich Hildebrand (1) ·
Josef Seiberl (1) ·
Joseph Hofmann (1) ·
Theodor Steinmann (1)
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None (8) ·
Patent 1907-09-03 Siemens-Schuckert Werke GmbH (1) ·
Patent AT-1908-42396 (1) ·
Patent DE-1898-126955 (1) ·
Patent DE-1902-140705 (1) ·
Patent DE-1903-160742 (1) ·
Patent DE-1907-192662 (1) ·
Patent DE-1907-202942 (1) ·
Patent FR-1902-324521 (1) ·
Patent GB-1901-1899 (1) ·
Patent US-1893-501111 (1)
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Showing below up to 18 results in range #1 to #18.
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