Switzerland

The Swiss patent office at the time of early aviation was the Bureau Fédéral de la Propriété Intellectuelle (Confédération Suisse) and the current one is . . . .

Note that Albert Einstein worked at the Swiss patent office in this period

CH is an abbreviation in this wiki referring to Switzerland.

Publications of the time include ...

Patents filed in Switzerland: Patent CH-1909-47211, Patent CH-1894-8396, Patent CH-1891-3863, Patent CH-1891-4195, Patent CH-1899-18666, Patent CH-1899-18667, Patent CH-1903-28610, Patent CH-1907-39549, Patent CH-1907-39550, Patent CH-1908-44159, Patent CH-1909-46855, Patent CH-1909-49709, Patent CH-1909-49837, Patent CH-1910-52815, Patent CH-1910-49065, Patent CH-1910-52044, Patent CH-1910-53173, Patent CH-1911-52497, Patent CH-1912-62201, Patent CH-1912-61594, Patent CH-1889-589, Patent CH-1890-1960, Patent CH-1890-2528, Patent CH-1891-3234, Patent CH-1891-3442, Patent CH-1891-3995, Patent CH-1891-4109, Patent CH-1892-5391, Patent CH-1893-6670, Patent CH-1893-6380, Patent CH-1894-8102, Patent CH-1894-8470, Patent GB-1894-7542, Patent CH-1894-8987, Patent CH-1894-9047, Patent CH-1896-12187, Patent CH-1897-14225, Patent CH-1898-16343, Patent CH-1898-16247, Patent CH-1898-17560, Patent CH-1900-22482, Patent CH-1899-19419, Patent CH-1899-20828, Patent CH-1899-20834, Patent CH-1900-21518, Patent CH-1901-24178, Patent CH-1902-23691, Patent CH-1900-22891, Patent CH-1901-23605, Patent CH-1901-23804, Patent CH-1902-27895, Patent GB-1903-15505, Patent CH-1903-29528, Patent CH-1904-32243, Patent CH-1905-33302, Patent CH-1906-39006, Patent CH-1907-40571, Patent CH-1907-39330, Patent CH-1907-41856, Patent CH-1907-41517, Patent CH-1907-41855, Patent CH-1907-42902, Patent CH-1907-42977, Patent CH-1909-44174, Patent CH-1908-44848, Patent CH-1908-47350, Patent CH-1909-46669, Patent CH-1909-46791, Patent CH-1909-48027, Patent CH-1909-48855, Patent CH-1909-48177, Patent CH-1909-48028, Patent CH-1909-48297, Patent CH-1909-48538, Patent CH-1910-52353, Patent CH-1909-49511, Patent CH-1909-49064, Patent CH-1909-49063, Patent CH-1909-50001, Patent CH-1911-49829, Patent CH-1909-50902, Patent CH-1909-50301, Patent CH-1909-50156, Patent CH-1909-51046, Patent CH-1910-50299, Patent CH-1910-51364, Patent CH-1910-52210, Patent CH-1910-54062, Patent CH-1911-52043, Patent CH-1911-58323, Patent CH-1910-56204, Patent CH-1910-53360, Patent CH-1910-53509, Patent CH-1910-54259, Patent CH-1910-53003, Patent CH-1910-54251, Patent CH-1910-54064, Patent CH-1910-52816, Patent CH-1910-53604, Patent CH-1910-54598, Patent CH-1911-56205, Patent CH-1911-57184, Patent CH-1911-55140, Patent CH-1911-54958, Patent CH-1911-56268, Patent CH-1911-56056, Patent CH-1911-57092, Patent CH-1911-56731, Patent CH-1911-55612, Patent CH-1910-57370, Patent CH-1911-57198, Patent CH-1911-57687, Patent CH-1911-58079, Patent CH-1912-60669, Patent CH-1912-61117, Patent CH-1912-59990, Patent CH-1912-61322, Patent CH-1912-59557, Patent CH-1912-61829, Patent CH-1912-61828, Patent CH-1912-62717, Patent CH-1912-60683, Patent CH-1912-64127, Patent CH-1913-65652, Patent CH-1912-63001, Patent CH-1912-64126, Patent CH-1912-63002, Patent CH-1912-63003, Patent CH-1913-64125, Patent CH-1913-64382, Patent CH-1913-64627, Patent CH-1913-63747, Patent CH-1913-64628, Patent CH-1913-67263, Patent CH-1914-67194, Patent CH-1913-67698, Patent CH-1914-67983, Patent CH-1914-69586, Patent CH-1914-70083, Patent CH-1915-73161, Patent CH-1912-71863, Patent CH-1914-73253, Patent CH-1914-72904, Patent CH-1915-73162, Patent CH-1915-73055, Patent CH-1916-73163, Patent CH-1916-89673, Patent CH-1915-76034, Patent CH-1916-74409, Patent CH-1916-73978, Patent CH-1917-75936, Patent CH-1913-78871, Patent CH-1918-81073, Patent CH-1918-80046, Patent CH-1918-83424, Patent CH-1919-83866, Patent CH-1916-89773, Patent CH-1920-92043, Patent CH-1914-95181, Patent CH-1917-94353, Patent CH-1917-92564, Patent CH-1917-93962, Patent CH-1917-94354, Patent CH-1918-93462
Patents filed by persons from Switzerland: Patent CH-1894-8396, Patent FR-1894-241487, Patent FR-1880-135270, Patent FR-1880-135271, Patent FR-1880-135270.1, Patent FR-1880-135271.1, Patent FR-1881-135270.4, Patent FR-1880-135270.2, Patent FR-1880-135271.2, Patent FR-1881-135270.3, Patent FR-1883-135270.5, Patent FR-1884-135270.6, Patent FR-1884-135270.7, Patent FR-1885-135270.8, Patent FR-1886-135270.9, Patent CH-1891-4195, Patent CH-1899-18666, Patent CH-1899-18667, Patent IT-1902-65733, Patent CH-1903-28610, Patent CH-1907-39549, Patent CH-1907-39550, Patent GB-1908-21092, Patent CH-1909-49837, Patent GB-1910-2203, Patent CH-1910-49065, Patent CH-1910-52044, Patent CH-1910-53173, Patent GB-1910-29175, Patent BE-1914-268726, Patent FR-1841-9664, Patent FR-1893-228622, Patent FR-1893-228706, Patent FR-1893-229390, Patent DE-1893-70746, Patent US-1893-507609, Patent CH-1893-6380, Patent DE-1894-73587, Patent US-1893-512450, Patent DE-1894-84394, Patent GB-1897-21283, Patent NO-1899-7792, Patent AT-1899-1616, Patent LU-1899-3473, Patent HU-1899-15273, Patent ES-1899-23747, Patent GB-1899-2257, Patent DK-1900-3140, Patent AT-1900-1681, Patent US-1900-654687, Patent CH-1899-20828, Patent DE-1899-121650, Patent DE-1899-121278, Patent DE-1901-131394, Patent GB-1902-8681, Patent DE-1902-140115, Patent AT-1902-13204, Patent DE-1902-144236, Patent GB-1902-26582, Patent FR-1903-328234, Patent GB-1903-2688, Patent GB-1903-18768, Patent CH-1902-26882, Patent CH-1902-27895, Patent CH-1903-29528, Patent FR-1903-334970, Patent FR-1904-344263, Patent FR-1904-348909, Patent GB-1904-14367, Patent CH-1905-33302, Patent FR-1905-348909.4506, Patent GB-1905-3990, Patent US-1903-809093, Patent DE-1906-173596, Patent FR-1906-364467, Patent US-1905-846830, Patent US-1907-853999, Patent FR-1907-380651, Patent GB-1907-18158, Patent MX-1908-8050, Patent FR-1907-383462, Patent FR-1908-386615, Patent FR-1908-394366, Patent FR-1908-394697, Patent AT-1908-41558, Patent FR-1908-395653, Patent FR-1908-396821, Patent FR-1909-397466, Patent FR-1908-398190, Patent FR-1908-396821.10257, Patent FR-1909-394697.10397, Patent GB-1909-2741, Patent GB-1909-2719, Patent FR-1909-400052, Patent FR-1909-402883, Patent GB-1909-15885, Patent GB-1909-22167, Patent GB-1909-30344, Patent GB-1906-28040, Patent DE-1908-221155, Patent CH-1909-46791, Patent GB-1909-12228, Patent CH-1909-48538, Patent FR-1910-406838, Patent FR-1910-407385, Patent IT 1909-105179, Patent FR-1910-402883.12087, Patent FR-1910-414603, Patent FR-1910-413708, Patent GB-1910-7053, Patent FR-1910-415146, Patent FR-1910-415724, Patent FR-1910-416437, Patent GB-1910-14755, Patent FR-1910-419146, Patent GB-1910-19017, Patent FR-1910-420264, Patent FR-1910-420958, Patent ES-1910-49189, Patent CH-1909-50001, Patent DE-1909-236836, Patent CH-1909-50156, Patent CH-1910-51572, Patent FR-1911-424191, Patent AT-1911-48428, Patent AT-1910-53464, Patent AT-1910-51938, Patent US-1910-985958, Patent HU-1910-54083, Patent FR-1910-419949, Patent FR-1911-421711, Patent FR-1910-422337, Patent GB-1910-26340, Patent FR-1911-424235, Patent CA-1910-132029, Patent FR-1911-424276, Patent CH-1911-52043, Patent GB-1911-3504, Patent FR-1911-426049, Patent FR-1911-426350, Patent FR-1911-420958.14812, Patent GB-1911-28815, Patent CH-1910-54259, Patent CH-1910-54251, Patent US-1910-1024226, Patent CH-1910-52816, Patent RU-1911-22891, Patent CH-1911-57092, Patent GB-1911-18311, Patent FR-1911-434151, Patent CH-1911-56731, Patent GB-1911-20872, Patent FR-1911-436390, Patent FR-1911-437811, Patent FR-1912-443930, Patent GB-1912-20427, Patent GB-1912-24232, Patent GB-1912-24509, Patent RU-1910-23136, Patent DE-1910-259355, Patent CH-1911-57687, Patent CH-1911-58079, Patent CH-1912-61829, Patent HU-1912-61910, Patent FR-1912-451349, Patent CH-1912-60683, Patent FR-1912-449885, Patent CH-1913-65269, Patent FR-1913-453731, Patent FR-1913-456472, Patent GB-1913-8759, Patent FR-1913-458609, Patent AT-1911-63048, Patent GB-1913-3126, Patent CH-1913-64125, Patent CH-1913-64382, Patent CH-1913-64627, Patent CH-1914-67194, Patent GB-1915-11834, Patent CH-1915-73161, Patent GB-1915-15746, Patent CH-1915-72132, Patent CH-1915-73162, Patent HU-1915-69972, Patent HU-1915-69973, Patent GB-1915-15747, Patent CH-1915-73055, Patent CH-1916-89673, Patent AT-1913-73582, Patent FR-1915-483013, Patent FR-1917-481828, Patent CH-1916-74409, Patent CH-1916-73978, Patent CH-1918-81073, Patent GB-1918-119029, Patent DE-1917-311367, Patent FR-1917-495319, Patent FR-1918-492148, Patent FR-1920-502877, Patent DE-1916-323881, Patent DE-1918-328747, Patent US-1920-1333932, Patent US-1918-1360182, Patent DE-1918-345022