Assignee
SCHUMACHER CO J C
8 granted patents·1,724 citations·filing 1976–1983
Top patents by PatentIndex Score
8 records- 0196US4436674AVapor mass flow control systemSCHUMACHER CO J C·Filed 1983·Granted Mar 13, 1984·789 cites·10 claims
- 0296US4393013AVapor mass flow control systemSCHUMACHER CO J C·Filed 1981·Granted Jul 12, 1983·670 cites·9 claims
- 0389US4134514ALiquid source material container and method of use for semiconductor device manufacturingSCHUMACHER CO J C·Filed 1976·Granted Jan 16, 1979·49 cites·5 claims
- 0486US4140735AProcess and apparatus for bubbling gas through a high purity liquidSCHUMACHER CO J C·Filed 1977·Granted Feb 20, 1979·47 cites·13 claims
- 0585US4298037AMethod of shipping and using semiconductor liquid source materialsSCHUMACHER CO J C·Filed 1980·Granted Nov 3, 1981·43 cites·8 claims
- 0685US4084024AProcess for the production of silicon of high puritySCHUMACHER CO J C·Filed 1976·Granted Apr 11, 1978·65 cites·11 claims
- 0783US4318942AProcess for producing polycrystalline siliconSCHUMACHER CO J C·Filed 1979·Granted Mar 9, 1982·43 cites·2 claims
- 0861US4227291AEnergy efficient process for continuous production of thin semiconductor films on metallic substratesSCHUMACHER CO J C·Filed 1978·Granted Oct 14, 1980·18 cites·5 claims
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