| 1981 | ParaPrint | |
| 1982 | PLUTO | |
| 1983 | Plastic Tile Spacer | |
| 1984 | PVC Bar Chair | |
| 1985 | PVC Wheel Spacer | |
| 1986 | PVC Waterstop | |
| 1987 | PVC Corner Guard | |
| 1988 | PVC Rough Stair Edging | |
| 1989 | PVC Corner Chamfer | |
| 1990 | Plastering Corner Bead | |
| 1991 | PVC High Speed Door | |
| 1992 | PVC Pipe Fittings | |
| 1993 | PVC Water Pipes | |
| 1994 | PU/Epoxy Floor Coating | |
| 1995 | Permatex Pipe Joint Compound | |
| 1996 | Pulleys and Snatch Blocks | |
| 1997 | Polyester Webbing Slings | |
| 1998 | Pagoda Umbrella | |
| 1999 | Polypropylene Fume Hood | |
| 2000 | Perchloric Acid Fume Hood | |
| 2001 | Piston Compressor | |
| 2004 | Pin and Bushing (Loader Pin) | |
| 2005 | Plaster Ceiling Renovation | |
| 2006 | Pallet Truck | |
| 2007 | Palladium Plating | |
| 2008 | Pink Gold Colour Plating | |
| 2009 | Plug-In Serve-Over Type Open Showcases | |
| 2010 | PU Sleeve | |