Drilldown: Patents
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- Letters (683)
- Organizations (967)
- Patents (17619)
- Person (2162)
- Publications (24571)
- Techtypes (2388)
Patents > Inventor country :
CH or
DE or
HU
& Applicant type :
Hermann Burkardt or
INDIV
& National tech categories :
CH 129a or
IT 8
& CPCs :
CPC B64B1/40 or
CPC B64C23/005 or
None
Use the filters below to narrow your results.
airfoil (1) ·
airplane (2) ·
aluminum (1) ·
balloon (3) ·
Balloons (1) ·
bamboo (1) ·
biplane (1) ·
captive (1) ·
car (2) ·
compartments (2) ·
dirigible (2) ·
disassembly (1) ·
frame (6) ·
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LTA (12) ·
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None (3) ·
Patent CH-1909-48538 (1) ·
Patent CH-1909-50001 (1) ·
Patent DE-1887-41141 (1) ·
Patent DE-1908-220975 (2) ·
Patent DE-1908-221155 (1) ·
Patent DE-1908-221549 (1) ·
Patent DE-1909-221412 (1) ·
Patent DE-1909-232158 (1) ·
Patent DE-1910-221155 (1) ·
Patent GB-1908-28547 (1) ·
Patent HU-1901-24148 (1)
Showing below up to 15 results in range #1 to #15.