| 1921 | Adjustable Compass With Helmet | |
| 1922 | Adjustable Compass | |
| 1923 | Ammeter | |
| 1924 | Air Whistles Makrofon Class III | |
| 1925 | Air Whistles Makrofon Class II | |
| 1926 | A Series Buoy | |
| 1927 | A200 Series Air Horn | |
| 1928 | A150 Series Air Horn | |
| 1929 | A100 Series Air Horn | |
| 1930 | Arm Type Magazine | |
| 1931 | ACCUWAY Multi-Tasking Turning Center | |
| 1932 | Anti-theft Locking Screw KEEP-L-M68 | |
| 1933 | Anti-Theft Kit KEEP-CP-401 | |
| 1934 | AIR GOUGING HyCUT Series | |
| 1935 | Armada Welding Machine 1250k | |
| 1936 | Adjustable Electric Desk Leg | |
| 1937 | Amenity Lamps & Lighting | |
| 1938 | Armoured Cables | |
| 1939 | Anti Static Air Bubble | |
| 1940 | Aircon Overhaul | |
| 1941 | Air Distribution | |
| 1942 | Alarm and Beacon | |
| 1943 | All Day Breakfast | |
| 1944 | Aircon Servicing | |
| 1945 | Access Floors | |
| 1946 | Automotive V-Belt | |
| 1947 | Aluminium Alloy Bulb Flat Bar | |
| 1948 | Aluminium Alloy Plate | |
| 1949 | Automatic Gates | |
| 1950 | ABM mineral wool | |