All Patents of Type: industrial elevators and lifts |
Patents 1 -
15
of 17
|
Number | Date | Patentee | Title | Type |
318X | Feb. 20, 1801 | B. Langdon | Hydraulic machine for raising water | elevators and lifts |
1,671X | Feb. 22, 1812 | S. Walgemore | Improved conveyor, elevator, and hopper boy | elevators and lifts |
2,618X | Jun. 20, 1816 | B. Dearborn | Alternate lift for bricks and mortar | elevators and lifts |
7,652X | Jun. 29, 1833 | N.C. Staples | Elevator bucket | elevators and lifts |
7,852X | Dec. 16, 1833 | C.G. Fairman | Elevating brick, stone, and mortar | elevators and lifts |
8,082X | Mar. 15, 1834 | J. Kinman | Raising bags of flour, grain, etc.for shouldering | elevators and lifts |
166,730 | Aug. 17, 1875 | E. Schlenker | Improvement in hoisting-machines or elevators | elevators and lifts |
228,284 | Jun. 01, 1880 | I.H. Small | Elevator-governor | elevators and lifts |
230,514 | Jul. 27, 1880 | A.A. Wilder | Safety-governor for elevators, &c. | elevators and lifts |
248,539 | Oct. 18, 1881 | A.A. Wilder | Safety attachment and governor for elevators | elevators and lifts |
273,208 | Feb. 27, 1883 | S.S. Wheeler | Electric Elevatror | elevators and lifts |
324,621 | Aug. 18, 1885 | S.S. Wheeler | Electric Elevator | elevators and lifts |
333,577 | Jan. 05, 1886 | E.M. Watson | Pipe Lifting Machine | industrial elevators and lifts |
349,177 | Sep. 14, 1886 | C.K. Rogers | Elevator | elevators and lifts |
419,041 | Jan. 07, 1890 | Z. Goodell | Elevator | elevators and lifts |