Inventor · disambiguated record
John L. Perkins
Also filed as: PERKINS JOHN L · PERKINS JOHN LESLIE · PERKINS JR JOHN L
5 granted patents·126 citations·filing 1990–2008
82Inventor score
Top patents by PatentIndex Score
5 records- 0174US5452106AModem device for communication of facsimile or file dataEXFAX TECH PTY LTD·Filed 1993·Granted Sep 19, 1995·47 cites·15 claims
- 0262US5418628AIntegrated data communication systemFiled 1990·Granted May 23, 1995·53 cites·8 claims
- 0360US6614889B2Software controlled switch deviceEXFAX TECH PTY LTD·Filed 2001·Granted Sep 2, 2003·6 cites·24 claims
- 0459US8579610B2High compression downhole pumpPERKINS JR JOHN L·Filed 2008·Granted Nov 12, 2013·4 cites·4 claims
- 0552US5696600AModem device for use with a facsimile machine combined with a PCEXFAX TECH PTY LTD·Filed 1994·Granted Dec 9, 1997·16 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →