Patent US-1877-199334

Giant multi-bladed 'wheels' for trapping air (& manipulating air pressure) to, theoretically, generate forward propulsion; parachute or optionally fixed wing provides classic 'airplane' lift as well as checking descent ; LTA balloon potentially optional ("...the balloon portion may be entirely dispensed with. In fact, I only employ the balloon section for the relief of the machinery, as well as to guard against the latter becoming accidentally out of order, and to overcome public prejudice.") example

• Tech class CPC B64C39/005: Aircraft not otherwise provided for with wings, paddle wheels, bladed wheels, moving or rotating in relation to the fuselage about a horizontal transversal axis
• Inventor location: New Orleans, Orleans county, LA (FIPSloc=22071, imputed by HistPat)

Sources

• Patent 199334 document and bibliographic info on espacenet
• Patent 199334 at google patents
• Short's DB
• PTO 244

Year filed	1877
Year granted	1878
Office	US
Patent number	199334
Inventors	Fritz A. L. von Ehren
Inventor country	US
Applicant person	Fritz A. L. von Ehren
Applicant firm
Applicant type	INDIV
Applicant is inventor?	1
Original title	Improvement in aerial vessels
English title	Aerial vessels
Tech fields	Propulsion, Airplane, LTA, takeoff, landing, parachute, car, marine, hybrid
Filing date	1877-07-16
Full specification filed date
Application number
Grant date	1878-01-15
Granted?	1
Publication date
Supplementary to patent
Related to aircraft?	1
Serial number
Patent agent	H., N. Jenkins
Assigned to
National tech categories	USPC 244/70
IPCs
CPCs	CPC B64C39/005
Family year	1877
First filing?	1
Cites these patents
Citations from after 1930	0
Application ID
INPADOC family ID
Number of text pages	2
Number of diagram pages	3
Number of figures	5
Number of claims	1