PR

Pierre Richard

BO Bouygues: 12 patents #1 of 14Top 8%
RC Rhone-Poulenc Chimie: 2 patents #203 of 660Top 35%
Overall (All Time): #324,456 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
8892037 Methods and systems for community-wide information exchange via individual communications terminals Jean-François Auriffeille, Charles-Edouard Ruault 2014-11-18
5904765 Cementation slurries for improvedly encasing reinforcing elements therefor Jerome Dugat, Laurent Frouin, Evelyne Prat 1999-05-18
5814145 Cementation slurries for improvedly encasing reinforcing elements therefor Jerome Dugat, Laurent Frouin, Evelyne Prat 1998-09-29
5522926 Method and a composition for preparing concrete elements having remarkable compressive strength and fracture energy, and elements obtained thereby Marcel Cheyrezy, Jerome Dugat 1996-06-04
5503670 Metal fiber concrete compositions for molding concrete elements, elements obtained and curing process Marcel Cheyrezy, Nicolas Roux 1996-04-02
4726923 Method of making concrete structures of prefabricated blocks 1988-02-23
4694622 Concrete structural elements, process and device for manufacturing these elements 1987-09-22
4653959 Ballastable concrete base for an offshore platform 1987-03-31
4648223 Concrete structure, block for making such structure and method of making such structure 1987-03-10
4642830 Bridge truss, bridge span including such trusses, and method of constructing the truss 1987-02-17
4625354 Bridge with prefabricated sections and with external prestressing by cables 1986-12-02
4620400 Prestressed concrete structure, a method of producing this structure, and elements for implementing the method 1986-11-04
4589157 Apparatus for the construction of a bridge floor and similar structures, and constructions which are obtained 1986-05-20
4529567 Process and device for manufacturing concrete structural elements 1985-07-16
4433525 Method and a device for extending the deck of a bridge or similar structures, with desk segments, using a cable stayed beam 1984-02-28