Assignee
DRUMMOND SCIENT CO
26 granted patents·8 pending applications·823 citations·filing 1975–2021
Top patents by PatentIndex Score
34 records- 0199US4461328APipette deviceDRUMMOND SCIENT CO·Filed 1982·Granted Jul 24, 1984·168 cites·13 claims
- 0293US3963061AApparatus for drawing liquids into, and expelling liquids from a pipetteDRUMMOND SCIENT CO·Filed 1975·Granted Jun 15, 1976·57 cites·16 claims
- 0389US7396512B2Automatic precision non-contact open-loop fluid dispensingDRUMMOND SCIENT CO·Filed 2003·Granted Jul 8, 2008·46 cites·20 claims
- 0484US4250755APipetteDRUMMOND SCIENT CO·Filed 1979·Granted Feb 17, 1981·32 cites·8 claims
- 0582USD242729SAutomatic pipette or the likeDRUMMOND SCIENT CO·Filed 1975·Granted Dec 14, 1976·15 cites·1 claims
- 0680USD262319SMicrodispenserDRUMMOND SCIENT CO·Filed 1979·Granted Dec 15, 1981·13 cites·1 claims
- 0778US4063662ACalibrating means for a microdispenserDRUMMOND SCIENT CO·Filed 1976·Granted Dec 20, 1977·31 cites·10 claims
- 0875US5173266ASafety pipetDRUMMOND SCIENT CO·Filed 1989·Granted Dec 22, 1992·60 cites·11 claims
- 0972US5059398ADisposable preselected-volume capillary pipet deviceDRUMMOND SCIENT CO·Filed 1985·Granted Oct 22, 1991·64 cites·16 claims
- 1069US5104625APipetter deviceDRUMMOND SCIENT CO·Filed 1989·Granted Apr 14, 1992·53 cites·8 claims
- 1163US5090255AProgrammable pipet apparatusDRUMMOND SCIENT CO·Filed 1990·Granted Feb 25, 1992·54 cites·2 claims
- 1260US7329104B2Split-housing pipette pumpDRUMMOND SCIENT CO·Filed 2004·Granted Feb 12, 2008·3 cites·63 claims
- 1360US4662545ADisposable capillary tube deviceDRUMMOND SCIENT CO·Filed 1984·Granted May 5, 1987·15 cites·14 claims
- 1458US6531098B1Disposable preselected-volume, capillary pipette device having an integrally-formed bulbous end and method of taking blood samples using the deviceDRUMMOND SCIENT CO·Filed 1998·Granted Mar 11, 2003·46 cites·17 claims
- 1555US6997068B2Foot-operated pipette dispenserDRUMMOND SCIENT CO·Filed 2003·Granted Feb 14, 2006·5 cites·18 claims
- 1652US5214968APipet filling and discharge deviceDRUMMOND SCIENT CO·Filed 1992·Granted Jun 1, 1993·29 cites·2 claims
- 1749US4624147APipet gun for drawing liquid into and expelling it from a pipetDRUMMOND SCIENT CO·Filed 1985·Granted Nov 25, 1986·22 cites·5 claims
- 1849US2006134598A1Cell culture media dispenserDRUMMOND SCIENT CO·Filed 2004·Application pending·0 cites
- 1949US2023241324A1Point-of-Care Testing ApparatusDRUMMOND SCIENT CO·Filed 2021·Application pending·0 cites
- 2048US2007253832A1Method and apparatus for controlling fluid flowDRUMMOND SCIENT CO·Filed 2006·Application pending·0 cites
- 2147US11529286B2Plasma storage apparatusDRUMMOND SCIENT CO·Filed 2019·Granted Dec 20, 2022·0 cites·18 claims
- 2247US5616871APipet gun assemblyDRUMMOND SCIENT CO·Filed 1995·Granted Apr 1, 1997·26 cites·9 claims
- 2346US5294405AAdjustable valve for pipette gunDRUMMOND SCIENT CO·Filed 1992·Granted Mar 15, 1994·22 cites·20 claims
- 2446US2006239866A1Glass safety tubeDRUMMOND SCIENT CO·Filed 2005·Application pending·0 cites
- 2544US5043106AMethod of casting optical mirrorsDRUMMOND SCIENT CO·Filed 1989·Granted Aug 27, 1991·11 cites·13 claims
- 2642US7475653B2Sealed-system critical temperature indicatorDRUMMOND SCIENT CO·Filed 2004·Granted Jan 13, 2009·5 cites·39 claims
- 2742US6309603B1Microcentrifuge tube cap opening and closing apparatus and methodDRUMMOND SCIENT CO·Filed 1999·Granted Oct 30, 2001·18 cites·35 claims
- 2841US2014272992A1Method and Apparatus for Rapidly and Cyclically Heating and Cooling a Fluid Sample During PCR TestingDRUMMOND SCIENT CO·Filed 2014·Application pending·0 cites
- 2940US5916814APresealed integral hematocrit test assembly and methodDRUMMOND SCIENT CO·Filed 1996·Granted Jun 29, 1999·7 cites·8 claims
- 3037US5900091AProcess for making a safety pipet tubeDRUMMOND SCIENT CO·Filed 1992·Granted May 4, 1999·11 cites·16 claims
- 3137US2014316214A1Method and Apparatus for Performing In Vitro FertilizationDRUMMOND SCIENT CO·Filed 2013·Application pending·0 cites
- 3235US6734026B1Pipette gun and holster assemblyDRUMMOND SCIENT CO·Filed 1999·Granted May 11, 2004·10 cites·17 claims
- 3335US2011011330A1Dual-Temperature, Sealed-System Critical Temperature IndicatorDRUMMOND SCIENT CO·Filed 2009·Application pending·0 cites
- 3431US2007086924A1Pipette with contamination indicatorDRUMMOND SCIENT CO·Filed 2005·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when DRUMMOND SCIENT CO 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 →