Assignee
ROYAL ENVIRONMENTAL SYSTEMS IN
US·7 granted patents·2 pending applications·115 citations·filing 1998–2009
Top patents by PatentIndex Score
9 records- 0189US6347781B1Concrete hole former with embedded gasketROYAL ENVIRONMENTAL SYSTEMS IN·Filed 2000·Granted Feb 19, 2002·26 cites·21 claims
- 0281US7632403B2Liquid filtration systemROYAL ENVIRONMENTAL SYSTEMS IN·Filed 2008·Granted Dec 15, 2009·12 cites·7 claims
- 0377US6919033B2Stormwater treatment system for eliminating solid debrisROYAL ENVIRONMENTAL SYSTEMS IN·Filed 2003·Granted Jul 19, 2005·38 cites·8 claims
- 0460US6226928B1Caustic fluid blocking member in the base of a manholeROYAL ENVIRONMENTAL SYSTEMS IN·Filed 1998·Granted May 8, 2001·19 cites·18 claims
- 0559US7044077B1Mechanical warning deviceROYAL ENVIRONMENTAL SYSTEMS IN·Filed 2005·Granted May 16, 2006·9 cites·8 claims
- 0649US2008121594A1Filter Element for Water Loaded with Solid Particles and Dissolved Toxic Substances and Purification System Equipped with Said Filter Element Test System for Portable AnalyzerROYAL ENVIRONMENTAL SYSTEMS IN·Filed 2008·Application pending·0 cites
- 0746US2010025313A1Liquid Filtration SystemROYAL ENVIRONMENTAL SYSTEMS IN·Filed 2009·Application pending·0 cites
- 0845US6695002B1Outside drop for manholeROYAL ENVIRONMENTAL SYSTEMS IN·Filed 2003·Granted Feb 24, 2004·1 cites·24 claims
- 0940US6206609B1Extension for a canal bed linerROYAL ENVIRONMENTAL SYSTEMS IN·Filed 1999·Granted Mar 27, 2001·10 cites·14 claims
Join the waitlist — get patent alerts
Get an alert when ROYAL ENVIRONMENTAL SYSTEMS IN 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 →