Drilldown: Patents
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- Airplane (18)
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- Patents (17619)
- Person (2162)
- Publications (24571)
- Techtypes (2388)
Patents > Inventor country
:
DE
or
FR
& Applicant type
:
Hermann Burkardt
or
INDIV + COMPANY
or
INIV
or
LTA
or
Other
& Supplementary to patent:
None
& National tech categories:
DE 77h.3
& CPCs:
None
& Number of text pages:
1-2 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Use the filters below to narrow your results.
balloon (2) ·
cooling (1) ·
gas (3) ·
hydrogen (2) ·
LTA (4) ·
method (1) ·
motor (2) ·
palladium (1) ·
propulsion (1) ·
steam (1) ·
subsystem (1) ·
temperature (1)
Showing below up to 4 results in range #1 to #4.