Changes
/* IPC Classifications */
| align = "center" bgcolor = "#99ccff"|1
| align = "center"|[http://www.wipo.int/ipcpub/#refresh=page¬ion=scheme&version=20110101&symbol=F03D F03D]
| Machines or engines for liquids; wind, spring, or weight motors; producing mechanical power or a reactive propulsive thrust / '''Wind motors'''
|-
| align = "center" bgcolor = "#99ccff"|2
| align = "center"|[http://www.wipo.int/ipcpub/#refresh=page¬ion=scheme&version=20110101&symbol=F16C F16C]
| Engineering elements or units; general measures for producing and maintaining effective functioning of machines or installations; thermal insulation in general/ '''Shafts; flexible shafts; elements of crankshaft mechanisms; rotary bodies other than gearing elements; bearings'''
|-
| align = "center" bgcolor = "#99ccff"|3
| align = "center"|[http://www.wipo.int/ipcpub/#refresh=page¬ion=scheme&version=20110101&symbol=F16H F16H]
| Engineering elements or units; general measures for producing and maintaining effective functioning of machines or installations; thermal insulation in general / '''Gearing '''
|-
| align = "center" bgcolor = "#99ccff"|4
