Inventor · disambiguated record
Richard Larson
Also filed as: LARSON RICHARD · LARSON RICHARD E
10 granted patents·167 citations·filing 1974–2021
90Inventor score
Top patents by PatentIndex Score
10 records- 0191US7464727B1Clean-out repair plugIPS CORP·Filed 2007·Granted Dec 16, 2008·36 cites·12 claims
- 0289US8256467B1Plug with pressure release valveLARSON RICHARD E·Filed 2011·Granted Sep 4, 2012·23 cites·8 claims
- 0389US7597118B1Pneumatic pressure relief test plugIPS CORP·Filed 2009·Granted Oct 6, 2009·29 cites·18 claims
- 0482US8042576B2Mechanical clean-out test plugIPS CORP·Filed 2009·Granted Oct 25, 2011·16 cites·16 claims
- 0575US9903489B2Pneumatic pressure relief test plugIPS CORP·Filed 2015·Granted Feb 27, 2018·3 cites·15 claims
- 0674US4572228AConnector valve assembly for inflatable packer deviceCHERNE IND INC·Filed 1984·Granted Feb 25, 1986·26 cites·20 claims
- 0746US3951173AMethod and apparatus for sealing large diameter pipesCHERNE IND INC·Filed 1974·Granted Apr 20, 1976·9 cites·3 claims
- 0842USD960558SPipe cleaning keychainLARSON RICHARD·Filed 2021·Granted Aug 16, 2022·1 cites·1 claims
- 0941US4096997ADual outlet check valve assemblyCHERNE IND INC·Filed 1976·Granted Jun 27, 1978·11 cites·8 claims
- 1035US6086132ASun spotFiled 1998·Granted Jul 11, 2000·13 cites·21 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →