Patent ID: 7177821

Claim:
A maintenance information management system, comprising: a parts management database for storing large classification equipment information of major parts, obtained by classifying equipment making up a facility subject to maintenance owned by a user; medium classification equipment information of medium parts, obtained by classifying said major parts; and small classification equipment information of small parts, obtained by classifying said medium parts; a history management database for storing a history of inspection or replacement of the equipment of said facility of said user; wherein said maintenance information management system is structured so that maintenance information management of said facility is carried out at a maker of said equipment, and maintenance information of said facility is shared by the maker and user; and a processing program by which said large classification equipment information is displayed as a first equipment selection image, wherein when one of said major parts is selected by a user on said first equipment selection image, said selected major part is displayed as a second equipment selection image displaying a system diagram of a plurality of medium parts making up said selected major part; when one of said medium parts is selected by a user on said second equipment selection image, said selected medium part is displayed as a third equipment selection image displaying a list of small parts making up said selected medium part; when one of said small parts is selected by a user on said third equipment selection image, said selected small part is displayed as a fourth equipment selection image displaying an assembly drawing or a sectional drawing together with parts information of parts making up said selected small part; a trend graph of equipment of said facility is displayed as a fifth equipment selection image, said trend graph being obtained by predicting a trend of change in the future of the equipment selected from a trend of change of past states of use of the equipment on the basis of information of results of past inspection of the equipment accumulated in said history management database; and history information of inspection or replacement carried out in the past concerning said parts making up said selected small part and stock information concerning said parts are displayed as a sixth equipment selection image on the basis of said history management database.