| 1921 | Portable Electric Saws | Company Product |
| 1922 | Portable Electric Scalers | Company Product |
| 1923 | Portable Electric Screwdrivers | Company Product |
| 1924 | Portable Electric Shears | Company Product |
| 1925 | Portable Electric Tappers | Company Product |
| 1926 | Portable Electronics | Company Product |
| 1927 | Portable Facing Machines | Company Product |
| 1928 | Portable Fans | Company Product |
| 1929 | Portable Fire Extinguishers | Company Product |
| 1930 | Portable Fitting Room | Company Product |
| 1931 | Portable Flame Cutting Machines | Company Product |
| 1932 | Portable Flange Facing Machines | Company Product |
| 1933 | Portable Flood Lights | Company Product |
| 1934 | Portable Flowmeters | Company Product |
| 1935 | Portable Forming Machines | Company Product |
| 1936 | Portable Gantry Cranes | Company Product |
| 1937 | Portable Gas Cutting Machines | Company Product |
| 1938 | Portable Gas Flowmeters | Company Product |
| 1939 | Portable Generators | Company Product |
| 1940 | Portable Grouting Pumps | Company Product |
| 1941 | Portable Hammocks | Company Product |
| 1942 | Portable Hand Mixer | Company Product |
| 1943 | Portable Handheld Balancers | Company Product |
| 1944 | Portable-Handheld Type | Company Product |
| 1945 | Portable Heaters | Company Product |
| 1946 | Portable Hot Spring Spas | Company Product |
| 1947 | Portable Humidity-Thermometer | Company Product |
| 1948 | Portable Hybrid | Company Product |
| 1949 | Portable Hydraulic Cutter Head | Company Product |
| 1950 | Portable Hydraulic Punchers | Company Product |