IFI
Patent Intelligence & Technology Report
Class Distribution for 1990-1999
060 - POWER PLANTS (IPC F02C, F01N, F16D)
1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 Total
NATIONALE D'ETUDE ET DE CONSTR DE MOTEURS D'AVIATION FR
6 9 11 11 12 22 13 12 8 5 109
AEROSPATIALE SOC NATIONALE INDUSTRIELLE FR
4 8 2 0 0 1 1 1 0 2 19
ENGELHARD CORP
6 0 3 1 1 0 2 0 0 1 14
SIEMENS WESTINGHOUSE POWER CORP
11 0 0 0 0 0 0 0 0 0 11
PORSCHE, DR ING H C F AG DE
0 1 1 1 0 2 1 2 1 1 10
VOLKSWAGENWERK AG DE
3 2 2 1 0 0 0 1 1 0 10
SUZUKI JIDOSHA KOGYO K K JP
0 1 1 1 2 1 0 0 1 2 9
BAYERISCHE MOTOREN WERKE AG DE
1 2 2 1 1 0 0 0 1 0 8
GAS RESEARCH INSTITUTE
0 0 0 2 0 1 0 0 1 2 6
DRESSER INDUSTRIES INC
1 2 1 1 0 0 0 0 0 0 5
DEUTSCHE FORSCHUNGSANSTALT FUR LUFT- UND RAUMFAHRT E V DE
0 0 0 0 0 0 1 0 0 2 3
NEW HOLLAND NORTH AMERICA INC
0 0 1 2 0 0 0 0 0 0 3
ATLANTIC RICHFIELD CO
1 0 0 1 0 0 0 0 0 0 2
BORG-WARNER AUTOMOTIVE INC
0 1 0 0 0 1 0 0 0 0 2
DAIKIN KOGYO CO LTD JP
0 0 0 0 0 0 0 0 0 2 2
FICHTEL & SACHS AG DE
0 2 0 0 0 0 0 0 0 0 2
MANNESMANN SACHS AG DE
2 0 0 0 0 0 0 0 0 0 2
PENN STATE RESEARCH FOUNDATION THE
1 0 1 0 0 0 0 0 0 0 2
DEGUSSA DE
1 0 0 0 0 0 0 0 0 0 1
IMPERIAL CHEMICAL INDUSTRIES LTD GB
0 0 0 0 0 0 0 0 1 0 1
IOWA STATE UNIVERSITY RESEARCH FOUNDATION INC
0 0 0 0 0 1 0 0 0 0 1
MASSACHUSETTS, UNIVERSITY OF
0 1 0 0 0 0 0 0 0 0 1
MORTON INTERNATIONAL INC
0 0 0 1 0 0 0 0 0 0 1
RHONE-POULENC CHIMIE FR
0 1 0 0 0 0 0 0 0 0 1
SMC CORP JP
0 1 0 0 0 0 0 0 0 0 1
Total 37 31 25 23 16 29 18 16 14 17 226