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| Patents for Andrew Wilkinson Porter | |||||
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| Number | Date | Patentee | Title | Type | |
| BR-7,407,542 | Jul. 06, 1976 | F.E. Allen, A.W. Porter | Saw blade cylindrical tension monitor | band sawmills | |
| CA-1,003,308 | Jan. 11, 1977 | A.W. Porter, F.E. Allen | Automatic roll tensioning method and apparatus | band sawmills | |
| AU-8,732,675 | Jan. 25, 1979 | F.E. Allen, A.W. Porter | Automatic roll tensioning method and apparatus | band sawmills | |