| 1921 | A-Shaped Night Time Tents | |
| 1922 | Axial Fans & Bifurcated Fans | |
| 1923 | Agency For Foreign Workers | |
| 1924 | Agent For Foreign Workers | |
| 1925 | Apollo XP95 Manual Call Point (MCP) | |
| 1926 | Apollo Series 65 Optical Smoke Detector | |
| 1927 | Apollo Series 65 Ionisation Smoke Detector | |
| 1928 | Apollo Series 65 Heat Detector | |
| 1929 | Acoustic Warning | |
| 1930 | Adjustable Compass With Helmet | |
| 1931 | Adjustable Compass | |
| 1932 | Ammeter | |
| 1933 | Air Whistles Makrofon Class III | |
| 1934 | Air Whistles Makrofon Class II | |
| 1935 | A Series Buoy | |
| 1936 | A200 Series Air Horn | |
| 1937 | A150 Series Air Horn | |
| 1938 | A100 Series Air Horn | |
| 1939 | Arm Type Magazine | |
| 1940 | ACCUWAY Multi-Tasking Turning Center | |
| 1941 | Anti-theft Locking Screw KEEP-L-M68 | |
| 1942 | Anti-Theft Kit KEEP-CP-401 | |
| 1943 | AIR GOUGING HyCUT Series | |
| 1944 | Armada Welding Machine 1250k | |
| 1945 | Adjustable Electric Desk Leg | |
| 1946 | Amenity Lamps & Lighting | |
| 1947 | Armoured Cables | |
| 1948 | Anti Static Air Bubble | |
| 1949 | Aircon Overhaul | |
| 1950 | Air Distribution | |