Patents Registered by John Lewis
| Patents Registered by John Lewis | |||
| Number | Date | Description | Partner |
| 3945 | 27/07/1815 | Shearing-machines. | |
| 4189 | 19/12/1817 | Wire gig-mills, for dressing woollen and other cloths. | William Lewis William Davis |
| 4198 | 15/01/1818 | Shearing-machines, for shearing woollen and other cloths. | |
| 4378 | 19/06/1819 | Application of mechanical powers for laying, smoothing, and polishing the face of woollen or other cloth or fabric, also cleansing such cloth or fabric at the same time. | |
| 4379 | 19/06/1819 | Application of pointed wires or other pointed substances of a suitable nature, for raising the pile or face of woollen or other cloths or fabrics. | |
John Lewis is known to have registered a number of patents, either on his own or in partnership with other local businessmen and engineers.