| Recently added or edited patents |
Patents 1 -
15
of 243
      |
| Modified | Number | Grant Date | Patentee | Title | Type |
| 2026-04-09 | 234,914 | Nov. 30, 1880 | C.B. Halstead | Castrating Instrument | livestock emasculators |
| 2026-04-09 | 8,276X | Jun. 20, 1834 | O.N. Angell | Self-acting alarm clock | clockmaker |
| 2026-04-09 | 7,576X | May 14, 1833 | J. Dinsmore | Fire alarm | fire alarms |
| 2026-04-09 | 6,703X | Aug. 15, 1831 | I.S. Richardson | Self-acting fire alarm | fire alarms |
| 2026-04-09 | 965X | Dec. 19, 1808 | J.P. Parke | Alarm bell for fire engines | fire alarms |
| 2026-04-09 | 1,147,835 | Jul. 27, 1915 | R. Wood | Low Water Alarm for Steam Boilers and the Like | low water alarms |
| 2026-04-09 | 711,398 | Oct. 14, 1902 | B.M. Hanson | Fluid Operated Stop Valve and Alarm | valves |
| 2026-04-09 | 471,311 | Mar. 22, 1892 | P. Kerekes | Boiler Feed Alarm | feedwater apparatus |
| 2026-04-09 | 25,486 | Sep. 20, 1859 | S.W. Brown | Steam Pressure Indicator or Alarm | stationary boilers |
| 2026-04-09 | 4,837X | Jul. 30, 1827 | W. Hunt | Improvement called the coach alarm | alarms |
| 2026-04-09 | 788,788 | May 02, 1905 | J. Naser | Burglar Alarm | alarms |
| 2026-04-09 | 591,528 | Oct. 12, 1897 | J.B. Ford | Wrench | bicycle or pocket wrenches |
| 2026-04-08 | 527,557 | Oct. 16, 1894 | W.T. Lintner | Speed Indicator for Shafting | measurement gauges |
| 2026-04-08 | 418,411 | Dec. 31, 1889 | L.B. Holmes | Speed Indicator | measurement gauges |
| 2026-04-08 | 306,760 | Oct. 24, 1884 | J.T. Krebs | Leather Splitting Machine | leather splitting machines |
