Assignee
SCHUMAN MARK
9 granted patents·1 pending application·231 citations·filing 1973–2017
Top patents by PatentIndex Score
10 records- 0190US3990069ASystem for monitoring changes in the fluidic impedance or volume of an enclosureSCHUMAN MARK·Filed 1974·Granted Nov 2, 1976·43 cites·68 claims
- 0287US3965608AManually operated suction device for capturing small objectsSCHUMAN MARK·Filed 1974·Granted Jun 29, 1976·58 cites·62 claims
- 0379US3990063ASystem for monitoring changes in the fluidic impedance or volume of an enclosureSCHUMAN MARK·Filed 1974·Granted Nov 2, 1976·24 cites·62 claims
- 0477US4072010AThermally driven piston apparatusSCHUMAN MARK·Filed 1976·Granted Feb 7, 1978·25 cites·42 claims
- 0572US4012910AThermally driven piston apparatus having an angled cylinder bypass directing fluid into a thermal lag heating chamber beyond the bypassSCHUMAN MARK·Filed 1975·Granted Mar 22, 1977·21 cites·61 claims
- 0664US4711571ARadiant emission and absorption multigas analyzerSCHUMAN MARK·Filed 1987·Granted Dec 8, 1987·29 cites·156 claims
- 0764US4132505AThermocompressor utilizing a free piston coasting between rebound chambersSCHUMAN MARK·Filed 1977·Granted Jan 2, 1979·18 cites·81 claims
- 0845US3968482APressure modulated alarm systemSCHUMAN MARK·Filed 1973·Granted Jul 6, 1976·6 cites·54 claims
- 0944US2017236233A1System and Method for Conducting Background Checks OnlineSCHUMAN MARK·Filed 2017·Application pending·0 cites
- 1042US3973771AIllusion amusement deviceSCHUMAN MARK·Filed 1974·Granted Aug 10, 1976·7 cites·47 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →