| French Patents |
Patents 1 -
15
of 115
      |
| Number | Date | Patentee | Title | Type |
| FR-15,213 | Jun. 21, 1843 | A. Sax | System of harmony instruments with holes or keys giving more accuracy and more intensity to the sounds | musical instruments |
| FR-15,364 | Aug. 17, 1843 | A. Sax | Chromatic instrument system | musical instruments |
| FR-18,441,006 | Oct. 10, 1844 | I. Chardoillet | Rabot | bench planes |
| FR-3,226 | Jun. 22, 1846 | A. Sax | A system of wind instruments, known as Saxophone | musical instruments |
| FR-4,172 | Oct. 28, 1846 | A. Crépin | Bandsaw | bandsaws |
| FR-7,518 | Sep. 07, 1848 | J.L. Palmer | Screw caliper and circular vernier (micrometer) | micrometers |
| FR-10,441 | Sep. 09, 1850 | H. Flaud, H. Giffard | Steam engine | steam engines |
| FR-12,226 | Aug. 20, 1851 | H. Giffard | Steam-powered airship | aircraft |
| FR-16,291 | Jun. 16, 1853 | H. Giffard | Application of rubber | |
| FR-24,057 | Jul. 06, 1855 | H. Giffard | Air navigation system | aircraft |
| FR-29,907 | Jul. 06, 1855 | H. Giffard | Making hydrogen gas | |
| FR-34,536 | Nov. 26, 1857 | H. Giffard, H. Flaud | Regulator valve | steam engine valves |
| FR-35,281 | Feb. 01, 1858 | H. Giffard | Feed injector for steam engines | feedwater apparatus |
| FR-36,512 | May 08, 1858 | H. Giffard | Feed injector for steam engines | feedwater apparatus |
| FR-50,128 | Jun. 18, 1861 | H. Giffard | Economical very high pressure steam engine | steam engines |
