Drilldown: Patents
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Patents > Office 
:
DE or
GR or
Other
& Inventor country :
AU or
NL or
RO or
SE or
US
& Applicant type:
None
& IPCs:
None
:
DE or
GR or
Other
& Inventor country :
AU or
NL or
RO or
SE or
US
& Applicant type:
None
& IPCs:
None Use the filters below to narrow your results.
Year filed:
Year granted:
Office: (Click arrow to add another value)
Inventors:
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National tech categories:
None (197) ·
USPC 244/3.23 (11) ·
USPC 244/153R (8) ·
USPC 244/28 (6) ·
USPC 244/155R (5) ·
USPC 244/100R (4) ·
USPC 244/149 (4) ·
USPC 244/119 (4) ·
AU 90.3 (4) ·
USPC 244/48 (3) ·
USPC 244/73R (3) ·
DE 77 (3) ·
GB 4 with buoyant (3) ·
USPC 244/80 (3) ·
USPC 244/90R (3) ·
USPC 244/65 (3) ·
USPC 244/93 (3) ·
USPC 244/3.3 (3) ·
USPC 244/110H (3)
IPCs: (Click arrow to add another value)
CPCs:
None (178) ·
CPC B64B1/00 (12) ·
CPC B64C2700/6295 (9) ·
CPC B64C3/385 (8) ·
CPC F42B10/30 (8) ·
CPC B64C23/005 (8) ·
CPC B64C11/006 (8) ·
1 (7) ·
CPC B64C11/36 (7) ·
CPC B64C17/00 (6) ·
CPC B63H1/12 (6) ·
CPC B64C11/48 (6) ·
CPC A63H27/08 (5) ·
CPC B64C13/00 (5) ·
CPC F05B2260/74 (5) ·
CPC A63H27/087 (4) ·
CPC B64C11/065 (4) ·
CPC F42B10/44 (4) ·
CPC B64C33/02 (4)
Family year:
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Cites these patents:
None (346) ·
USPC 244/45R (1) ·
1867 (1) ·
1879 (1) ·
1887 (2) ·
1897 (1) ·
1904 (1) ·
1910 (1) ·
1911 (2) ·
1912 (1) ·
1913 (1) ·
CPC B63C9/26 (1) ·
CPC B64B1/00 (1) ·
CPC B64C13/00 (1) ·
CPC B64C23/005 (1) ·
CPC Y10T74/1289 (1) ·
G09F21/10 (1) ·
USPC 244/125 (1) ·
USPC 244/26 (1) ·
USPC 244/27 (1) ·
USPC 244/30 (1) ·
USPC 244/45R (1) ·
USPC 244/93 (1)
Citations from after 1930:
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Showing below up to 250 results in range #1 to #250.
