Chain, Staple, And Horseshoe Making Patents (Class 59)
- Bead chain (Class 59/2)
- Loop interlocked (Class 59/3)
- Roller chain (Class 59/4)
- Sprocket chain (Class 59/5)
- Swivel making (Class 59/9)
- Weldless (Class 59/10)
- Sheet metal (Class 59/13)
- Combined machines (Class 59/16)
- Bending (Class 59/27)
- Curbing (Class 59/28)
- Sizing and trimming (Class 59/29)
- Swaging and shaping (Class 59/30)
- Welding (Class 59/31)
- Blanks and processes (Class 59/35.1)
- Combined machines (Class 59/37)
- Bending (Class 59/56)
- Punching and creasing (Class 59/57)
- Swaging and shaping (Class 59/58)
- Trimming and bur removing (Class 59/59)
- Dies and tools (Class 59/60)
- Processes (Class 59/61)
- Blanks and bars (Class 59/62)
- Calk and clip bending, forming, sharpening, welding (Class 59/65)
- Calk making (Class 59/66)