Drilldown: Patents
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- Patents (17619)
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- Publications (24571)
- Techtypes (2388)
Patents > Office:
US
& Inventor country
:
CH
or
DE
or
HU
or
NL
& Applicant type
:
COMPANY+INDIV
or
Hermann Burkardt
or
INDIV
& National tech categories:
None
& CPCs
:
CPC B64B1/40
or
CPC B64C23/005
or
None ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Use the filters below to narrow your results.
None (1) ·
airplane (1) ·
ballast (1) ·
design (1) ·
equilibrium (1) ·
LTA (1) ·
military (1) ·
parachute (1) ·
parachutes (1) ·
piloting (1) ·
rescue (1) ·
safety (1) ·
stability (1) ·
Wings (2)
Showing below up to 4 results in range #1 to #4.