IFI
Patent Intelligence & Technology Report
Class Distribution for 1990-1999
267 - SPRING DEVICES (IPC F16F, B60G)
1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 Total
FICHTEL & SACHS AG DE
3 4 6 6 0 0 0 0 0 1 20
PORSCHE, DR ING H C F AG DE
0 1 0 0 2 1 2 0 1 0 7
AEROSPATIALE SOC NATIONALE INDUSTRIELLE FR
0 0 0 0 0 0 1 0 1 0 2
BORG-WARNER AUTOMOTIVE INC
0 0 0 1 1 0 0 0 0 0 2
NTN CORP JP
0 0 1 1 0 0 0 0 0 0 2
DEUTSCHE FORSCHUNGSANSTALT FUR LUFT- UND RAUMFAHRT E V DE
0 1 0 0 0 0 0 0 0 0 1
SUZUKI JIDOSHA KOGYO K K JP
0 0 0 0 0 1 0 0 0 0 1
VOLKSWAGENWERK AG DE
0 0 0 0 0 0 0 1 0 0 1
Total 3 6 7 8 3 2 3 1 2 1 36