PL

Pierre Legrand

AP Applied Power: 4 patents #17 of 150Top 15%
F( Freyssinet International (Stup): 1 patents #23 of 52Top 45%
HE Hein-Werner: 1 patents #13 of 27Top 50%
LL L'Air Liquide: 1 patents #17 of 128Top 15%
TH Thomson-Csf: 1 patents #796 of 2,054Top 40%
Overall (All Time): #474,909 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5014442 Universal measuring system James G. Ballard, Reinald D. Liegel, Craig A. Wisner 1991-05-14
4914271 Arc working torch and machine, and cartridge for said torch Michel Delzenne 1990-04-03
4855566 Process for striking an arc in electric welding and welding torch employing said process Jean-Francois Hays, Eric Verna, Michel Delzenne, Bernard Reynaud, Pierre Gaillard 1989-08-08
4686908 Public transport vehicle 1987-08-18
4493969 High-frequency arc striking device and auxiliary electrode of an electric welding or cutting arc Michel Arnout 1985-01-15
4342154 Measuring bridge 1982-08-03
RE31000 Method and apparatus for reforming and straightening vehicles Dirk J. van Dalen 1982-07-27
4330243 Apparatus for moulding concrete elements Pierre Guinard 1982-05-18
4290012 Device for quantitative display of the current density within a charged-particle beam Marc Berte 1981-09-15
4207681 Vehicle measuring bridge Jeffrey T. Bayorgeon, Dirk J. van Dalen 1980-06-17
4193203 Method and apparatus for reforming and straightening vehicles Dirk J. van Dalen 1980-03-18