Drilldown: Patents

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Patents > Year granted: 1910 - 1919 & Office : AH or CA or GB & Applicant type : Hermann Burkardt or INDIV or None & IPCs: None & First filing: Yes

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Tech fields:
None (540) · frame (18) · LTA (16) · airplane (13) · propulsion (10) · control (9) · wings (8) · navigation (8) · marine (6) · stability (6) · airfoil (6) · compartments (5) · balloon (5) · propellers (5) · flapping (5) · rudder (5)
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Patent agent:
None (554) · Marks & Clerk (6) · W. P. Thompson & Co. (5) · E. R. Royston & Co. (4) · Harris & Mills (4) · Abel & Imray (3) · Boult, Wade & Tennant (3) · Haseltine, Lake & Co. (3) · Munn & Co. (2) · J. S. Withers & Spooner (2) · J. Owden O'Brien (2) · Herbert Haddan & Co. (2) · William L. Hall (2) · Carl Tewes (2)
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CPCs:
CPC B64C2700/6295 (56) · CPC B64C39/00 (55) · CPC B64C17/00 (40) · CPC B64B1/00 (37) · CPC B64C35/00 (35) · None (29) · CPC B64C2700/6218 (26) · CPC B64C13/00 (25) · CPC B64C2700/6256 (24) · CPC B64C23/005 (24) · CPC B64C3/00 (22) · CPC B64C11/006 (22) · CPC B64C3/385 (22) · CPC B64C2700/6274 (17) · CPC B64C3/18 (14) · CPC B62C5/04 (13) · CPC B64C33/02 (12)
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Citations from after 1930:
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