Drilldown: Patents
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- Airplane (18)
- Airship (15)
- Companies (480)
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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 or
None
& National tech categories:
CH 129a
& CPCs :
CPC B64B1/40 or
CPC B64C23/005 or
None
Use the filters below to narrow your results.
balloon (1) ·
Balloons (1) ·
car (2) ·
compartments (1) ·
dirigible (2) ·
disassembly (1) ·
frame (3) ·
gas (1) ·
LTA (8) ·
method (1) ·
navigation (2) ·
propeller (1) ·
propulsion (1) ·
rigid (2) ·
storage (1)
Showing below up to 8 results in range #1 to #8.