Inventor · disambiguated record
John Charlton
Also filed as: CHARLTON JOHN · CHARLTON JOHN C · CHARLTON JOHN CECIL
16 granted patents·1 pending application·366 citations·filing 1973–2010
95Inventor score
Files withCIGARETTE COMPONENTS LTD5RADIOCHEMICAL CENTRE LTD4JAPAN TOBACCO INC2AMERSHAM INT PLC1CHARLTON JOHN1
Top patents by PatentIndex Score
17 records- 0186US5755582ARetractable door stop security device/utility boxFiled 1996·Granted May 26, 1998·56 cites·8 claims
- 0280US4797970AFoot-operated door security deviceCHARLTON JOHN C·Filed 1988·Granted Jan 17, 1989·51 cites·14 claims
- 0379US4106907ACentrifuge tube and method for performing assay with sameRADIOCHEMICAL CENTRE LTD·Filed 1977·Granted Aug 15, 1978·43 cites·15 claims
- 0477US6718989B1Filter for a cigarette and a filter-tipped cigaretteJAPAN TOBACCO INC·Filed 2000·Granted Apr 13, 2004·35 cites·19 claims
- 0570US5775746ARetractable door stop security device/utility boxFiled 1996·Granted Jul 7, 1998·27 cites·12 claims
- 0669US5662126ASmoke filter containing particulate smoke modifying additiveCIGARETTE COMPONENTS LTD·Filed 1996·Granted Sep 2, 1997·45 cites·3 claims
- 0762US3933996AComposition comprising radioactive labeled-fibrinogen and albuminRADIOCHEMICAL CENTRE LTD·Filed 1973·Granted Jan 20, 1976·17 cites·10 claims
- 0861US6422244B1Filter for a cigarette and filter cigaretteJAPAN TOBACCO INC·Filed 2000·Granted Jul 23, 2002·8 cites·14 claims
- 0958US3950643AAutomatic volume countingRADIOCHEMICAL CENTRE LTD·Filed 1973·Granted Apr 13, 1976·10 cites·10 claims
- 1051US6080457AParticulate sorbent smoke filterCIGARETTE COMPONENTS LTD·Filed 1992·Granted Jun 27, 2000·20 cites·8 claims
- 1149US4133951AVitamin B-12 cobalt-57 and processRADIOCHEMICAL CENTRE LTD·Filed 1976·Granted Jan 9, 1979·10 cites·6 claims
- 1245US6302114B1Tobacco smoke filterCIGARETTE COMPONENTS LTD·Filed 1992·Granted Oct 16, 2001·14 cites·8 claims
- 1342US5787902AConcentric core filterCIGARETTE COMPONENTS LTD·Filed 1995·Granted Aug 4, 1998·15 cites·20 claims
- 1441US4904308AAdjustable smoker's mouthpieceCIGARETTE COMPONENTS LTD·Filed 1987·Granted Feb 27, 1990·10 cites·14 claims
- 1532US4839299AAssay for the free portion of substances in biological fluidsAMERSHAM INT PLC·Filed 1987·Granted Jun 13, 1989·5 cites·16 claims
- 1630US8622122B2Rod reel and method of repairing a rod stringDEMERS PATRICK·Filed 2010·Granted Jan 7, 2014·0 cites·15 claims
- 1727US2007012366A1Gripper air switchCHARLTON JOHN·Filed 2006·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →