Manufacturers Index - James Leffel & Co.
James Leffel & Co.
Springfield, OH: New Haven, CT, U.S.A.
Manufacturer Class:
Steam and Gas Engines
This page contains information on patents issued to this manufacturer.
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4,056
|
May. 21, 1845
|
Improvement in water-wheels
|
James Leffel |
Springfield, OH |
The inventor received a later water-wheel patent, 34,150, which became one of the most successful water-wheel designs of all time. |
20,921
|
Jul. 13, 1858
|
Turbine Water Wheel
|
David K. Kraatz |
Ephrata, Lancaster County, PA |
|
34,150
|
Jan. 14, 1862
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Improved water-wheel
|
James Leffel |
Springfield, OH |
This is the famous "Leffel's American Double Turbine" water wheel. It was manufactured by Leffel Water Wheel and Engine Co.; James Leffel & Co.; Paxton, Tate & Co. of Port Perry, Ontario; and Joseph Hall Mfg. Co. of Oshawa, Ontario. This patent was reissued as a pair of patents, 1,791 and 1,792. |
RE1,791
|
Oct. 11, 1864
|
Improvement in water-wheels
|
James Leffel |
Springfield, OH |
See the original patent, 45,150, for details about this important patent, which was split into a pair of reissues, this patent and 1,792. |
RE1,792
|
Oct. 11, 1864
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Improvement in cases for water-wheels
|
James Leffel |
Springfield, OH |
See the original patent, 45,150, for details about this important patent, which was split into a pair of reissues, this patent and 1,791. |
RE3,404
|
Apr. 27, 1869
|
Gate and Guide of Water Wheels
|
James Leffel, deceased (Estate of) |
Springfield, Clarke County, OH |
|
|
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Gate and Guide of Water Wheels
|
James S. Goode, Executor |
Springfield, Clarke County, OH |
|
|
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Gate and Guide of Water Wheels
|
John W. Bookwalter, Executor |
Springfield, Clarke County, OH |
|
RE3,875
|
Mar. 08, 1870
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Turbine Water Wheel
|
David K. Kraatz |
Ephrata, Lancaster County, PA |
|
459,969
|
Sep. 22, 1891
|
Water Wheel
|
William W. Tyler |
Springfield, Clark County, OH |
|
461,565
|
Oct. 20, 1891
|
Water Wheel
|
John W. Bookwalter |
Springfield, Clark County, OH |
|
|
|
Water Wheel
|
Francis M. Bookwalter |
Springfield, Clark County, OH |
|
783,761
|
Feb. 28, 1905
|
Water Wheel
|
Albert F. Sparks |
Springfield, Clark County, OH |
|
1,613,816
|
Jan. 11, 1927
|
Runner for Turbines
|
George A. Biggs |
Springfield, Clark County, OH |
|
1,865,503
|
Jul. 05, 1932
|
Hydraulic Turbine
|
George A. Biggs |
Springfield, Clark County, OH |
|
1,865,502
|
Jul. 05, 1932
|
Hydraulic Turbine
|
George A. Biggs |
Springfield, Clark County, OH |
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1,897,834
|
Feb. 14, 1933
|
Hydraulic Turbine
|
George A. Biggs |
Springfield, Clark County, OH |
|
1,913,582
|
Jun. 13, 1933
|
Generator for Hydraulic Turbine
|
George A. Biggs |
Springfield, Clark County, OH |
|
1,931,158
|
Oct. 17, 1933
|
Hydraulic Turbine
|
George A. Biggs |
Springfield, Clark County, OH |
|
1,942,995
|
Jan. 09, 1934
|
Hydraulic Turbine
|
George A. Biggs |
Springfield, Clark County, OH |
|
1,942,589
|
Jan. 09, 1934
|
Hydraulic Turbine
|
George A. Biggs |
Springfield, Clark County, OH |
|
1,948,478
|
Feb. 20, 1934
|
Hydraulic Turbine
|
George A. Biggs |
Springfield, Clark County, OH |
|
1,950,775
|
Mar. 13, 1934
|
Hydraulic Turbine
|
George A. Biggs |
Springfield, Clark County, OH |
|
1,950,777
|
Mar. 13, 1934
|
Hydraulic Turbine
|
George A. Biggs |
Springfield, Clark County, OH |
|
1,950,776
|
Mar. 13, 1934
|
Hydraulic Turbine
|
George A. Biggs |
Springfield, Clark County, OH |
|
1,950,774
|
Mar. 13, 1934
|
Hydraulic Turbine
|
George A. Biggs |
Springfield, Clark County, OH |
|
1,950,773
|
Mar. 13, 1934
|
Hydraulic Turbine
|
George A. Biggs |
Springfield, Clark County, OH |
|
1,954,194
|
Apr. 10, 1934
|
Hydraulic Turbine
|
George A. Biggs |
Springfield, Clark County, OH |
|
1,954,193
|
Apr. 10, 1934
|
Hydraulic Turbine
|
George A. Biggs |
Springfield, Clark County, OH |
|
1,954,192
|
Apr. 10, 1934
|
Valve
|
George A. Biggs |
Springfield, Clark County, OH |
|
1,962,385
|
Jun. 12, 1934
|
Hydraulic Turbine Runner
|
George A. Biggs |
Springfield, Clark County, OH |
|
1,962,384
|
Jun. 12, 1934
|
Apparatus for Adjusting Hydraulic Turbine Runners
|
George A. Biggs |
Springfield, Clark County, OH |
|
1,962,383
|
Jun. 12, 1934
|
Hydraulic Turbine
|
George A. Biggs |
Springfield, Clark County, OH |
|
1,962,382
|
Jun. 12, 1934
|
Hydraulic Turbine
|
George A. Biggs |
Springfield, Clark County, OH |
|
1,962,381
|
Jun. 12, 1934
|
Vacuum Breaker
|
George A. Biggs |
Springfield, Clark County, OH |
|
1,962,380
|
Jun. 12, 1934
|
Hydraulic Turbine
|
George A. Biggs |
Springfield, Clark County, OH |
|
1,977,036
|
Oct. 16, 1934
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Hydraulic Turbine
|
George A. Biggs |
Springfield, Clark County, OH |
|
1,986,915
|
Jan. 08, 1935
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Hydraulic Turbine
|
George A. Biggs |
Springfield, Clark County, OH |
|
1,989,966
|
Feb. 05, 1935
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Hydraulic Turbine
|
George A. Biggs |
Springfield, Clark County, OH |
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2,131,611
|
Sep. 27, 1938
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Turbine Pump
|
George A. Biggs |
Springfield, Clark County, OH |
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437,142
|
Sep. 24, 1946
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Hydraulic Turbine
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George A. Biggs |
Springfield, Clark County, OH |
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2,420,853
|
May. 20, 1947
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Hydraulic Turbine
|
George A. Biggs |
Springfield, Clark County, OH |
|
2,611,578
|
Sep. 23, 1952
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Sectionalized Case for Turbines and the Like
|
George A. Biggs |
Springfield, Clark County, OH |
|
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