ELECTRICAL VACUUM PUMP
US Pat. 2282401 - Filed Jan 6, 1938 -
6, 2282401 2 Sheets-Sheet I no <* 90 S 80 I 70 I 60 I SO §40 20 ^ / 2 AMPERES IN
FIELD COIL ACINPUT INVENTOR. CJV. HANSELL ATTORNEY. ... ELECTBOMAGNETIC FLUID PUMP
US Pat. 2655107
17,1940 2282401 Hansell _ May 12, ... IONIC VACUUM PUMP
US Pat. 2460175 - Filed Jul 31, 1945 - s
5, 1939 2282401 Hansell May 2, 1942. HIGH VACUUM PUMPING METHOD
US Pat. 2636664 - Filed Jan 28, 1949 -
... Slepian June 17, 1941 2282401 Hansell May 12, ... VACUUM PUMP
US Pat. 3292844 - Filed May 23, 1962
References Cited by the Examiner UNITED STATES PATENTS 2282401 5/1942 Hansell
230—69 ... HYDROMAGNETICALLY OPERATED GAS ACCELERATOR PROPULSION DEVICE
US Pat. 3256687 - Filed Jul 31, 1958
... 2/1939 Penning 250—41.9 2282401 5/1942 Hansell 230—69 ... Component for a window frame
US Pat. 5901509 - Filed Nov 14, 1996
... 7/ United Kingdom 2282401 4/ United Kingdom ... FOSTER
US Pat. 2798181 - Filed Mar 26, 1954
Feb. 18, 1941 2282401 Hansell. May 12, 1942. APPARATUS FOR REDUCING ELECTRON LOADING IN POSITIVE-ION ACCELERATORS
US Pat. 2922905 - Filed Jun 30, 1958
References Cited in the file of this patent UNITED STATES PATENTS 2282401
Hansell __. ... ION PUMP
US Pat. 3169693 - Filed Dec 29, 1961 - Geo
5, 1939 2282401 Hansell May 12, 1942 FOREIGN PATENTS •'.'..- . ...  Stay up to date on these results using the patents RSS feed on 2282401.
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