Assignee
CHA IND
8 granted patents·50 citations·filing 1975–1978
Top patents by PatentIndex Score
8 records- 0161US3970820AWire fed flash evaporation sourceCHA IND·Filed 1975·Granted Jul 20, 1976·16 cites·11 claims
- 0249US4214853AEvacuation apparatus with cryogenic pump and trap assemblyCHA IND·Filed 1978·Granted Jul 29, 1980·11 cites·30 claims
- 0345US3998347ACreep resistant sealing arrangement for bell jarCHA IND·Filed 1975·Granted Dec 21, 1976·8 cites·7 claims
- 0441US4296153AVacuum chamber door assembly and methodCHA IND·Filed 1978·Granted Oct 20, 1981·9 cites·30 claims
- 0538USD255122SVacuum deposition apparatusCHA IND·Filed 1978·Granted May 27, 1980·2 cites·1 claims
- 0631US4205623AVacuum deposition apparatusCHA IND·Filed 1978·Granted Jun 3, 1980·3 cites·12 claims
- 0728USD254974SVacuum deposition apparatusCHA IND·Filed 1978·Granted May 13, 1980·0 cites·1 claims
- 0827US4085699AMounting for arms of a thin-film apparatusCHA IND·Filed 1977·Granted Apr 25, 1978·1 cites·2 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →