US2565068 Internal-combustion engine
Cited prior art · Drabold Walter · United States · 1951
Page 1 Drawing sheet — no readable text. Page 2 Patented Aug. 21, 1951 2,565,068 UNITED STATES PATENT office reactorian walter Drabold,
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US2538222 Safety control gas burner system
Cited prior art · Jack T Wilson · Perfex Corp · United States · 1951
Page 1 Drawing sheet — no readable text. Page 2 Patented Jan. 16, 1951 . . . .. . 2,538,222 UNITED STATES PATENT OFFICE SAFETY CONTROL, GAS
US2532740 Fuel burner provided with combustion gas recirculating means
Cited prior art · William H Speer · United States · 1950
Page 1 Drawing sheet — no readable text. Page 2 Drawing sheet — no readable text. Page 3 Patented Dec. 5, 1950 2,532,740
US2525921 Plastic lens
Cited prior art · Edward K Madan, Robert W Madan and 1 more · United States · 1950
Page 1 Drawing sheet — no readable text. Page 2 Patented Oct. 17, 1950 2,525,921 UNITED STATES PATENT OFFICE PLASTC LENS Edward
US2518364 Direct fired air heater
Cited prior art · Charles C Owen · Surface Combustion Corp · United States · 1950
Page 1 Drawing sheet — no readable text. Page 2 Patented Aug. 8, 1950 UNITED STATES PATENT office DIRECT FIRED AIR HEATER
US2506951 Foraminous sheet material and luminaire made therefrom
Cited prior art · Leroy C Doane · United States · 1950
Page 1 Drawing sheet — no readable text. Page 2 Drawing sheet — no readable text. Page 3 Patented May 9, 1950 2,506.951
US2494243 Pressure ribbon-type gas burner
Cited prior art · Louis D Houlis · United States · 1950
Page 1 Drawing sheet — no readable text. Page 2 Drawing sheet — no readable text. Page 3 Drawing sheet — no readable text.
US2482551 Combination igniter and flame
Cited prior art · United States · 1949
Page 1 Drawing sheet — no readable text. Page 2 Drawing sheet — no readable text. Page 3 Patented Sept. 20, 1949 2,482.551
US2469734 Bearing and seal assembly for turbines
Cited prior art · Walter A Ledwith · United Aircraft Corp · United States · 1949
Page 1 Drawing sheet — no readable text. Page 2 Drawing sheet — no readable text. Page 3 paid My to 1st 2,469,734
US2469080 Unitary lens unit
Cited prior art · Rosin Seymour, George M Cressaty and 1 more · United States · 1949
Page 1 Drawing sheet — no readable text. Page 2 Drawing sheet — no readable text. Page 3 Patented May 3, 1949 2,469,080
US2434346 Generator burner and fuel control therefor
Cited prior art · James L Breese · BREESE BURNERS Inc · United States · 1948
Page 1 Drawing sheet — no readable text. Page 2 Patented Jan. 13, 1948 2,434,346 UNITED STATES PATENT OFFICE GENERATOR BURER AND
US2424765 Hot-air heater having means to recirculate cooled gases
Cited prior art · Mccollum Thelma · Stewart Warner Corp · United States · 1947
a 22. SEer raaaaaaaaaaar All Ill starsa Ni ŠSSS zz AAAs. Azan Page 2 Patented July 29, 1947 2424,765 UNITED STATEs PATENT OFFICE OT-AR BEATER, AVING
US2402971 Burner
Cited prior art · Mccollum Thelma · United States · 1946
Page 1 Drawing sheet — no readable text. Page 2 Drawing sheet — no readable text. Page 3 Patented July 2, 1946 2,402,971
US2388940 Solar heater
Cited prior art · Robert H Taylor · United States · 1945
Page 1 Drawing sheet — no readable text. Page 2 Patented Nov. 13, 1945 UNITED STATES PATENT OFFICE Robert H. Taylor, Mayfield,
US2376479 Internal-combustion engine and combustion mixture therefor
Cited prior art · Fehling Hans Reinhard · United States · 1945
throttle the per swept cylinder volume. While the combustion or explosion tempera 75 oxygen before entry into the cylinder. However, Page 7 the vaporizer pressure must under all circum be reduced to less than
US2362972 Gas burner
Cited prior art · Brownback Henry Lowe · United States · 1944
Page 1 Drawing sheet — no readable text. Page 2 Drawing sheet — no readable text. Page 3 Patented Nov. 21, 1944 2,362.972
US2358012 Liquid fuel burner
Cited prior art · Bertrand B Kahn · ESTATE STOVE CO · United States · 1944
Page 1 Drawing sheet — no readable text. Page 2 Patented Sept. 12, 1944 .. 2,358,012 UNITED STATES PATENT office LAUD FUEL BURNER
US2339637 Pot type burner with double baffle structure
Cited prior art · Hayter Bruce · OIL DEVICES · United States · 1944
Page 1 Drawing sheet — no readable text. Page 2 Jan. 18, 1944. B, HAYTER 2,339,637 POT TYPE BURNER WITH DOUBLE BAFFLE
US2333531 Furnace
Cited prior art · Ferguson William · NAT AIROIL BURNER Co Inc · United States · 1943
Page 1 Drawing sheet — no readable text. Page 2 Patented Nov. 2, 1943 2,333,531 UNITED STATES PATENT office FURNACE William Ferguson,
US2318195 Ignition system
Cited prior art · Paul E Cate · Fulton Sylphon Co · United States · 1943
Page 1 Drawing sheet — no readable text. Page 2 Patented May 4, 1943 IGNITION systEM Paul E. Cate, Knoxville, Tenn., assignor