JB

Jean Bonnefous

DE Defontaine: 2 patents #3 of 7Top 45%
📍 La Bruffière, FR: #2 of 6 inventorsTop 35%
Overall (All Time): #1,037,886 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6929243 Butterfly valve Bruno Maraud 2005-08-16
6318409 System for assembling at least two pressurized fluid control members Bruno Maraud, Benoit Sagot 2001-11-20
6279602 Valve with improved piston with elastomer O-ring Bruns Maraud 2001-08-28
6089255 Valve with inflatable membrane Bruno Maraud, Thierry Picot 2000-07-18
5201490 Valve with a floating stop seal for high flow rates Bruno Maraud, Joel Guicheteau 1993-04-13