FD

Francois Darchis

📍 Walnut Creek, CA: #476 of 1,300 inventorsTop 40%
🗺 California: #149,087 of 386,348 inventorsTop 40%
Overall (All Time): #1,659,417 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5262095 Heat and material exchanging device and method of manufacturing said device Maurice Bosquain, Jean-Yves Lehman, Bruno Leprince-Ringuet 1993-11-16
5157927 Process and apparatus for the production of gaseous nitrogen and system for supplying corresponding nitrogen Francois Venet, Jean-Louis Girault, Maurice Grenier, Patrick Jozon 1992-10-27
5132055 Fluid distributor for heat and material exchange column, for example with lining, and column provided with such distributor Jean-Francois Alleaume, Patrice Andre, Christian Barbe, Maurice Bosquain, Jean-Yves Lehman +1 more 1992-07-21