Inventor · disambiguated record
John R. Firth
Also filed as: FIRTH JOHN R
16 granted patents·2 pending applications·1,354 citations·filing 1980–2004
96Inventor score
Files withSAFETY SYRINGES INC12FIRTH JOHN R2PYE ELECTRONIC PROD LTD2PHILIPS CORP1SAFETY SYRINES INC1
Top patents by PatentIndex Score
18 records- 0188US6344032B1Disposable self-shielding unit dose syringe guardSAFETY SYRINGES INC·Filed 2000·Granted Feb 5, 2002·106 cites·17 claims
- 0283US6159184ADisposable self-shielding unit dose syringe guardSAFETY SYRINGES INC·Filed 1997·Granted Dec 12, 2000·153 cites·22 claims
- 0377US5624400ADisposable self-shielding aspirating syringeSAFETY SYRINGES INC·Filed 1995·Granted Apr 29, 1997·149 cites·5 claims
- 0476US4305663ASpectrophotometerPYE ELECTRONIC PROD LTD·Filed 1980·Granted Dec 15, 1981·30 cites·4 claims
- 0575US7041085B2Disposable self-shielding unit dose syringe guardSAFETY SYRINES INC·Filed 2001·Granted May 9, 2006·52 cites·8 claims
- 0670US5501672ADisposable self-shielding hypodermic syringeSAFETY SYRINGES INC·Filed 1994·Granted Mar 26, 1996·124 cites·6 claims
- 0769US6171283B1Disposable self-shielding unit dose syringe guardSAFETY SYRINGES INC·Filed 1997·Granted Jan 9, 2001·128 cites·7 claims
- 0867US5356392AShielded blood collection tube holderSAFETY SYRINGES INC·Filed 1994·Granted Oct 18, 1994·121 cites·12 claims
- 0966US5279581ADisposable self-shielding hypodermic syringeFIRTH JOHN R·Filed 1991·Granted Jan 18, 1994·109 cites·13 claims
- 1066US5108378ADisposable self-shielding hypodermic syringeSAFETY SYRINGES INC·Filed 1990·Granted Apr 28, 1992·93 cites·11 claims
- 1161US5437647ADisposable self-shielding aspirating syringeSAFETY SYRINGES INC·Filed 1993·Granted Aug 1, 1995·92 cites·37 claims
- 1260USRE37439EDisposable self-shielding aspirating syringeSAFETY SYRINGES INC·Filed 1998·Granted Nov 6, 2001·78 cites·19 claims
- 1360US4310244AMonochromatorPHILIPS CORP·Filed 1980·Granted Jan 12, 1982·17 cites·14 claims
- 1458US4315691ACam and follower arrangementPYE ELECTRONIC PROD LTD·Filed 1980·Granted Feb 16, 1982·15 cites·8 claims
- 1554US5312365ADisposable self-shielding hypodermic syringeFIRTH JOHN R·Filed 1992·Granted May 17, 1994·53 cites·6 claims
- 1649US2005054987A1Disposable self-shielding unit dose syringe guardSAFETY SYRINGES INC·Filed 2004·Application pending·0 cites
- 1748US2005033242A1Disposable self-shielding unit dose syringe guardSAFETY SYRINGES INC·Filed 2004·Application pending·0 cites
- 1845US5616134ADisposable self-shielding hypodermic syringeSAFETY SYRINGES INC·Filed 1992·Granted Apr 1, 1997·34 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →