Assignee
HYGIENIC PIGGING SYSTEMS LTD
US·4 granted patents·59 citations·filing 1998–2000
Top patents by PatentIndex Score
4 records- 0166US6438782B1Apparatus for removing material from pipelines and method of makingHYGIENIC PIGGING SYSTEMS LTD·Filed 2000·Granted Aug 27, 2002·13 cites·7 claims
- 0260US6213450B1ValvesHYGIENIC PIGGING SYSTEMS LTD·Filed 1999·Granted Apr 10, 2001·21 cites·20 claims
- 0357US6176938B1Apparatus and method for removing material from pipelinesHYGIENIC PIGGING SYSTEMS LTD·Filed 1998·Granted Jan 23, 2001·20 cites·30 claims
- 0432US6189555B1Valve arrangements for cleaning the interior of a valve memberHYGIENIC PIGGING SYSTEMS LTD·Filed 1998·Granted Feb 20, 2001·5 cites·6 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →