| 1951 | Portable Handheld Balancers | Company Product |
| 1952 | Portable-Handheld Type | Company Product |
| 1953 | Portable Heaters | Company Product |
| 1954 | Portable Hot Spring Spas | Company Product |
| 1955 | Portable Humidity-Thermometer | Company Product |
| 1956 | Portable Hybrid | Company Product |
| 1957 | Portable Hydraulic Cutter Head | Company Product |
| 1958 | Portable Hydraulic Punchers | Company Product |
| 1959 | Portable Hydraulic Test Stands | Company Product |
| 1960 | Portable Injection Pumps | Company Product |
| 1961 | Portable Light Tower | Company Product |
| 1962 | Portable Lights | Company Product |
| 1963 | Portable Liquid Containers | Company Product |
| 1964 | Portable Load Banks | Company Product |
| 1965 | Portable Machining | Company Product |
| 1966 | Portable Magnetic Drilling Machines | Company Product |
| 1967 | Portable Metal Detectors | Company Product |
| 1968 | Portable Metal Forming Machines | Company Product |
| 1969 | Portable Meter Test Equipment | Company Product |
| 1970 | Portable Mini Chillers | Company Product |
| 1971 | Portable Mixer | Company Product |
| 1972 | Portable Monitor | Company Product |
| 1973 | Portable Notice Boards | Company Product |
| 1974 | Portable Oxy-Fuel Cutters | Company Product |
| 1975 | Portable Pipe Bevelling Machines | Company Product |
| 1976 | Portable Pipe Cutters | Company Product |
| 1977 | Portable Pipe Cutting Machines | Company Product |
| 1978 | Portable Plants | Company Product |
| 1979 | Portable Plasma Cutting Machines | Company Product |
| 1980 | Portable Plate Bevelling Machines | Company Product |