| All Patents in class 277 |
Patents 1 -
15
of 165
      |
| Number | Date | Patentee | Title | Type |
| 5,357 | Nov. 06, 1847 | C.W. Noyes, T.W. Allen | Piston-Rod Packing | piston ring and packing |
| 6,146 | Feb. 27, 1849 | W. Wright | Metallic Packing for Pistons | |
| RE254 | Jan. 10, 1854 | C.W. Noyes, T.W. Allen | Piston-Rod Packing | piston ring and packing |
| RE255 | Jan. 10, 1854 | J. Judson, A. Judson | Improved governor-valve for steam-engines | steam engine governors |
| 25,955 | Nov. 01, 1859 | J. Cumming | Stuffing Box | steam engine stuffing boxes |
| 31,971 | Apr. 09, 1861 | J.O. Haight | Piston of steam-engines | piston ring and packing |
| 51,267 | Nov. 28, 1865 | E.A. Raymond | Improvement in Forging Apparatus | steam hammers |
| 61,728 | Feb. 05, 1867 | T.A. Goff | Improvement in pistons for steam engines | piston ring and packing |
| 74,750 | Feb. 25, 1868 | S.E. Chubbuck, I.Y. Chubbuck | Improvement in pistons | steam engine pistons |
| 78,911 | Jun. 16, 1868 | J.U. Adams | Piston Packing | steam engine packing |
| 121,985 | Dec. 19, 1871 | H. Bolthoff | Improvement in stamp-guides | ore processing apparatus |
| 123,971 | Feb. 27, 1872 | G.R. Babbitt | Improvement in Piston Packing | piston ring and packing |
| 124,182 | Feb. 27, 1872 | H.C. White | Improvement in Piston Rod Packing | piston ring and packing |
| 124,183 | Feb. 27, 1872 | H.C. White | Implement in Packing for Engines, &c. | piston ring and packing |
| 136,405 | Mar. 04, 1873 | G.R. Babbitt, W.A. Harris | Improvement in piston-packings | piston ring and packing |
