Gyrodyne helicopter patents

[hesham]

Hi,

The Gyrodyne designed very slender coaxial helicopter
in 1956.
http://www.google.com/patents?id=9r1xAAAAEBAJ&dq=westland+helicopter&num=100&jtp=1#PPP1,M1

 

[hesham]

Hi,

the Gyrodyne unknown convertiplane from 1952.

http://www.google.com/patents?id=RNFxAAAAEBAJ&pg=PA1952&dq=jane%27s+all+the+world%27s+airplane&as_drrb_ap=q&as_minm_ap=1&as_miny_ap=2007&as_maxm_ap=1&as_maxy_ap=2007&as_drrb_is=q&as_minm_is=1&as_miny_is=2007&as_maxm_is=1&as_maxy_is=2007&num=100

 

[Stargazer]

Here is a list of aircraft design patents for the Gyrodyne Company of America:

APPROVED​	APPLICANTS	NUMBER	TITLE	TYPE REPRESENTED
1952​	Geoffrey G. Clewlow	166 851	Cargo-Carrying Rotary Wing Aircraft and the Like	Gyrodyne GCA-24
1953​	Peter J. Papadakos	168 652	Rotary Wing Aircraft
1953​	Edward W. Strong	170 247	Rotary Wing Aircraft
1954​	David F. Gebhard, Edward W. Strong	172 467	Rotary Wing Aircraft
1954​	David F. Gebhard	172 712	Rotary Wing Aircraft	Gyrodyne GCA-32
1954​	Peter J. Papadakos	172 721	Rotary Wing Aircraft	Gyrodyne Gyroliner (early)
1954​	Peter J. Papadakos	2 665 859	Aircraft with Rotary Wings and Fixed Wings
1955​	Peter J. Papadakos	175 852	Rotary Wing Aircraft
1955​	Peter J. Papadakos	176 377	Rotary Wing Aircraft
1956​	Peter J. Papadakos	177 425	Rotary Wing Aircraft	Gyrodyne GCA-35 Gyroliner
1956​	Peter J. Papadakos	177 426	Rotary Wing Aircraft
1956​	Peter J. Papadakos	177 427	Rotary Wing Aircraft	(resembles the GCA-33)
1956​	Peter J. Papadakos	178 081	Rotary Wing Aircraft
1957​	Peter J. Papadakos	180 958	Rotary Wing Aircraft
1959​	Peter J. Papadakos	186 478	Rotary Wing Aircraft

 

[overscan (PaulMM)]

Design Patent USD166851 (November 1951)

 

[overscan (PaulMM)]

Design Patent USD168652 (July 1950)

 

[overscan (PaulMM)]

Design Patent USD170247 (April 1952)

 

[overscan (PaulMM)]

Design Patent USD172467 (Nov 1951)

 

[overscan (PaulMM)]

Design Patent USD172721 (September 1953)

 

[overscan (PaulMM)]

US Patent 2665859 (December 1950)

 

[overscan (PaulMM)]

US Design Patent 175852 (Feb 1955)

 

[overscan (PaulMM)]

US Design Patent 176377 (June 1955)

 

[overscan (PaulMM)]

Design Patent USD177425 (June 1954)

 

[overscan (PaulMM)]

Design Patent USD177426 (Jan 1955)

 

[overscan (PaulMM)]

Design Patent USD177427 (Jan 1955)

 

[overscan (PaulMM)]

Design Patent USD178081 (Jan 1955)

 

[overscan (PaulMM)]

Design Patent USD180958 (Jan 1955)

 

[overscan (PaulMM)]

Design Patent USD186878 (October 1956)

 

[overscan (PaulMM)]

Damn. Missed an earlier one.

Design Patent USD172712 (Nov 1951)