Inventor · disambiguated record
John Barr
Also filed as: BARR JOHN · BARR JOHN B
4 granted patents·40 citations·filing 1979–2011
73Inventor score
Top patents by PatentIndex Score
4 records- 0178US4275051ASpin size and thermosetting aid for pitch fibersUNION CARBIDE CORP·Filed 1979·Granted Jun 23, 1981·22 cites·12 claims
- 0265US4276278ASpin size and thermosetting aid for pitch fibersUNION CARBIDE CORP·Filed 1979·Granted Jun 30, 1981·14 cites·9 claims
- 0360US8867122B2Optical parametric oscillatorBARR JOHN·Filed 2007·Granted Oct 21, 2014·4 cites·13 claims
- 0441US8817837B2Laser system and method of operationBARR JOHN·Filed 2011·Granted Aug 26, 2014·0 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →