USPC 244/72

U.S. patent classification subclass 244/72 is for patents related to beating wings. These technologies are devices using the thrust produced by flapping wings for propelling aircraft.

"(1) Note. Continue the search" in classes USPC 244/11, USPC 244/22, and USPC 244/28."

See also

• https://www.uspto.gov/web/offices/ac/ido/oeip/taf/def/244.htm#72
• https://www.uspto.gov/web/offices/ac/ido/oeip/taf/moc/244.htm

Patents in category USPC 244/72

• Patent US-1877-194841 (English title: Flying-machines, Inventors: James J. Pennington, Filing date: 1877-07-23)
• Patent US-1883-291990 (English title: Balloon-propeller, Inventors: Kansas D. Davis, Filing date: 1883-01-05)
• Patent US-1901-693943 (English title: Wing for flying machine, Inventors: Walter J. Bell, Filing date: 1901-04-23)
• Patent US-1901-729800 (English title: Aerial vessel, Inventors: George D. Shultz, Filing date: 1901-07-02)
• Patent US-1902-761053 (English title: Aerial navigation apparatus, Inventors: Charles F. Morrison, Filing date: 1902-03-21)
• Patent US-1902-827017 (English title: Wing of flying machines, Inventors: Joseph Hofmann, Filing date: 1902-06-27)
• Patent US-1904-797154 (English title: Air-Ship, Inventors: John Spies, Filing date: 1904-08-15)
• Patent US-1905-841394 (English title: Wing-operating mechanism, Inventors: Elisha M. Hartman, Filing date: 1905-12-05)
• Patent US-1906-849971 (English title: Flying apparatus, Inventors: Adolf Brandl, Filing date: 1906-04-16)
• Patent US-1906-907310 (English title: Aerial machine, Inventors: Henry Shepley Booth, Supplementary to patent: Patent US-1904-907120, Filing date: 1906-07-27)
• Patent US-1907-881836 (English title: Wing for flying-machines, Inventors: Everett E. Warner, Filing date: 1907-06-22)
• Patent US-1907-886122 (English title: Flying-machine, Inventors: Bauard Guthrie, Filing date: 1907-10-31)
• Patent US-1909-933548 (English title: Aeromotor, Inventors: Samuel H. Gilson, Filing date: 1908-10-27)
• Patent US-1912-1029057 (English title: Propeller for air or water craft, Inventors: Adolph Finch, Filing date: 1908-10-28)
• Patent US-1908-971358 (English title: Aerial machine, Inventors: Leonard E. Clawson, Filing date: 1908-11-05)
• Patent US-1909-935262 (English title: Device for turning the swinging axles of flapping wings, Inventors: Friedrich Wilhelm Theodor Kopsch, Filing date: 1909-01-28)
• Patent US-1910-977068 (English title: Propeller for operating on fluids, Inventors: Bertram George Cooper, Filing date: 1909-01-30)
• Patent US-1909-980840 (English title: Airship, Inventors: Matthew Rozboril • Peter Bursky, Filing date: 1909-04-09)
• Patent US-1909-940701 (English title: Air-Ship, Inventors: Henry Mesinger, Filing date: 1909-06-26)
• Patent US-1909-1013560 (English title: Wing for flying-machine, Inventors: Andrew S. Outcalt, Filing date: 1909-11-13)
• Patent US-1909-1001043 (English title: Airship-propeller, Inventors: Otto Kattenhorn, Filing date: 1909-12-15)
• Patent US-1912-1034429 (English title: Flying-machine, Inventors: Thomas Augustus Dring, Supplementary to patent: Patent GB-1909-12556, Filing date: 1910-05-26)
• Patent US-1912-1031807 (Inventors: Ernest MOLNAR, Filing date: 1910-12-27)
• Patent US-1911-1116273 (English title: Controlling apparatus for wings, fins, or the like, Inventors: Hermann Hassenbach, Filing date: 1911-11-18)
• Patent US-1912-1076644 (English title: Flying-machine, Inventors: William Lafayette Quick, Filing date: 1912-02-09)
• Patent US-1912-1034430 (English title: Flying-machine, Inventors: Thomas Augustus Dring, Supplementary to patent: Patent GB-1911-5162 • Patent US-1912-1034429 • Patent GB-1909-12556, Filing date: 1912-02-24)
• Patent US-1914-1114167 (Inventors: John Edward MCWORTER, Filing date: 1913-05-09)

Enclosing categories	USPC 244/62
Subcategories
Keywords	Flapping, Ornithopter, Lift
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