Assignee
LONG SAM
US·3 granted patents·11 citations·filing 1988–1990
Top patents by PatentIndex Score
3 records- 0124US4915829AActivated-sludge aeration systemLONG SAM·Filed 1988·Granted Apr 10, 1990·4 cites·8 claims
- 0223US4978445AAeration chamber for a sewage treatment systemLONG SAM·Filed 1990·Granted Dec 18, 1990·4 cites·7 claims
- 0322US4938867AConfiguration of aeration chamber for an activated-sludge sewage treatment systemLONG SAM·Filed 1988·Granted Jul 3, 1990·3 cites·5 claims
Join the waitlist — get patent alerts
Get an alert when LONG SAM files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →