DP

Didier Payre

SA Societe Nationale Elf Aquitaine: 3 patents #67 of 490Top 15%
📍 Perpignan, FR: #7 of 46 inventorsTop 20%
Overall (All Time): #1,671,889 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4873842 Three-phase heat pump Georges Crozat, Bernard Spinner 1989-10-17
4784217 Thermochemical method and device for storing and unstoring heat Nathalie Mazet, Sylvain Mauran, Bernard Spinner 1988-11-15
4682476 Three-phase heat pump Georges Crozat, Bernard Spinner 1987-07-28