Patents
- U.S. Patent 796,011 - Electrostatic separation
- U.S. Patent 796,012 - Electrostatic separation
- U.S. Patent 827,115 - Electrostatic separation
- U.S. Patent 827,116 - Electrostatic separation
- U.S. Patent 836,531 - Means for receiving intelligence communicated by electric waves (silicon detector), 1906
- U.S. Patent 840,802 - Electrostatic separator,1907
- U.S. Patent 845,316 - Means for receiving intelligence communicated by electric waves (copper sulfate solution detector), 1907
- U.S. Patent 876,996 - Intelligence intercommunication by magnetic wave component (loop antenna), 1908
- U.S. Patent 877,451 - Means for receiving intelligence communicated by electric waves (spring-loaded detector contact), 1908
- U.S. Patent 886,154 - Oscillation receiver (fused zinc oxide detector), 1908
- U.S. Patent 888,191 - Oscillation receiver (polished silicon detector, 1908
- U.S. Patent 904,222 - Oscillation detecting means (molybdenite detector), 1908
- U.S. Patent 912,613 - Oscillation detector and rectifier ("plated" silicon carbide detector with DC bias), G.W. Pickard, 1909
- U.S. Patent 912,726 - Oscillation receiver (fractured surface red zinc oxide (zincite) detector), 1909
- U.S. Patent 933,263 - Oscillation device (iron pyrite detector), 1909
- U.S. Patent 956,165 - Electrical Space Communication (interference mitigation), 1909
- U.S. Patent 1,104,073 - Detector for wireless telegraphy and telephony (looped or humped springy wire detector contact), 1914
- U.S. Patent 1,118,228 - Oscillation detectors (pairs of minerals), 1914
- U.S. Patent 1,128,817 - Valve detector for wireless (vacuum tube with conducting shield to drain static), 1915
- U.S. Patent 1,185,711 - Receiver for wireless telephony and telegraphy (interrupted or switched circuit instead of rectifier), 1916
- U.S. Patent 1,213,250 - Means for receiving intelligence communicated by electric waves (receiving circuit, divided from #836531), 1917
- U.S. Patent 1,476,102 - Optical selection of split mica sheets
- U.S. Patent 1,561,483 - Distinguishing dielectric sheets
- U.S. Patent 1,676,745 - Electrical reactance and method and apparatus
- U.S. Patent 1,907,571 - Radio Receiving Apparatus (multiple loop antennas), 1920
- U.S. Patent 1,918,825 - Extreme loading condenser
Reissued
- U.S. Patent RE13,798 - Means for receiving intelligence communicated by electric waves
Read more about this topic: Greenleaf Whittier Pickard
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