| 1951 | A-Shaped Night Time Tents | |
| 1952 | Axial Fans & Bifurcated Fans | |
| 1953 | Agency For Foreign Workers | |
| 1954 | Agent For Foreign Workers | |
| 1955 | Apollo XP95 Manual Call Point (MCP) | |
| 1956 | Apollo Series 65 Optical Smoke Detector | |
| 1957 | Apollo Series 65 Ionisation Smoke Detector | |
| 1958 | Apollo Series 65 Heat Detector | |
| 1959 | Acoustic Warning | |
| 1960 | Adjustable Compass With Helmet | |
| 1961 | Adjustable Compass | |
| 1962 | Ammeter | |
| 1963 | Air Whistles Makrofon Class III | |
| 1964 | Air Whistles Makrofon Class II | |
| 1965 | A Series Buoy | |
| 1966 | A200 Series Air Horn | |
| 1967 | A150 Series Air Horn | |
| 1968 | A100 Series Air Horn | |
| 1969 | Arm Type Magazine | |
| 1970 | ACCUWAY Multi-Tasking Turning Center | |
| 1971 | Anti-theft Locking Screw KEEP-L-M68 | |
| 1972 | Anti-Theft Kit KEEP-CP-401 | |
| 1973 | AIR GOUGING HyCUT Series | |
| 1974 | Armada Welding Machine 1250k | |
| 1975 | Adjustable Electric Desk Leg | |
| 1976 | Amenity Lamps & Lighting | |
| 1977 | Armoured Cables | |
| 1978 | Anti Static Air Bubble | |
| 1979 | Aircon Overhaul | |
| 1980 | Air Distribution | |