Inventor · disambiguated record
Karl Wefers
Also filed as: WEFERS KARL
23 granted patents·3 pending applications·769 citations·filing 1986–2012
97Inventor score
Top patents by PatentIndex Score
26 records- 0197US5103550AMethod of making a food or beverage containerALUMINUM CO OF AMERICA·Filed 1989·Granted Apr 14, 1992·77 cites·56 claims
- 0296US5277788ATwice-anodized aluminum article having an organo-phosphorus monolayer and process for making the articleALUMINUM CO OF AMERICA·Filed 1992·Granted Jan 11, 1994·88 cites·13 claims
- 0395US4994429AActive material useful as adsorbent comprising metal oxide/hydroxide particles reacted with phosphorus-containing organic acid group of organic compound having unreacted acid groupALUMINUM CO OF AMERICA·Filed 1988·Granted Feb 19, 1991·88 cites·20 claims
- 0491US5126210AAnodic phosphonic/phosphinic acid duplex coating on valve metal surfaceALUMINUM CO OF AMERICA·Filed 1990·Granted Jun 30, 1992·58 cites·79 claims
- 0590US4788176AAdsorbent comprising metal oxide/hydroxide particles reacted with one or more phosphorous-containing materials having selected organic radicals attached theretoALUMINUM CO OF AMERICA·Filed 1987·Granted Nov 29, 1988·60 cites·52 claims
- 0689US4904634AActive material useful as adsorbent comprising metal oxide/hydroxide surfaces reacted with one or more phosphorous-containing materials having selected organic radicals attached theretoALUMINUM CO OF AMERICA·Filed 1988·Granted Feb 27, 1990·54 cites·49 claims
- 0786US5032237AAnodic phosphonic/phosphinic acid duplex coating on valve metal surfaceALUMINUM CO OF AMERICA·Filed 1989·Granted Jul 16, 1991·35 cites·72 claims
- 0884US5059258APhosphonic/phosphinic acid bonded to aluminum hydroxide layerALUMINUM CO OF AMERICA·Filed 1989·Granted Oct 22, 1991·57 cites·31 claims
- 0977US5102507AMethod of making an anodic phosphate ester duplex coating on a valve metal surfaceALUMINUM CO OF AMERICA·Filed 1989·Granted Apr 7, 1992·22 cites·40 claims
- 1074US4983566ASurface-modified adsorbent comprising metal oxide/hydroxide particles reacted with one or more perfluorinated organic acidsALUMINUM CO OF AMERICA·Filed 1988·Granted Jan 8, 1991·28 cites·19 claims
- 1173US5132181APhosphonic/phosphinic acid bonded to aluminum hydroxide layerALUMINUM CO OF AMERICA·Filed 1990·Granted Jul 21, 1992·31 cites·33 claims
- 1269US5238715AFood or beverage container or container panelALUMINUM CO OF AMERICA·Filed 1991·Granted Aug 24, 1993·24 cites·31 claims
- 1367US5131987AProcess for making an adhesively bonded aluminum articleALUMINUM CO OF AMERICA·Filed 1989·Granted Jul 21, 1992·18 cites·37 claims
- 1467US4957890ASurface treated permeable inorganic membranes and method of making sameALUMINUM CO OF AMERICA·Filed 1988·Granted Sep 18, 1990·22 cites·25 claims
- 1565US4786628AChromatographic packings comprising metal oxide/hydroxide reacted with phosphonic acidALUMINUM CO OF AMERICA·Filed 1987·Granted Nov 22, 1988·20 cites·23 claims
- 1665US4784707AMethod of making electrical connections using joint compoundALUMINUM CO OF AMERICA·Filed 1986·Granted Nov 15, 1988·19 cites·22 claims
- 1761US5037795AChromatographic packing material comprising extended area metal oxide/hydroxide particles with a layer of a phosphorus-containing material thereonALUMINUM CO OF AMERICA·Filed 1988·Granted Aug 6, 1991·18 cites·15 claims
- 1860US5324587AAdhesively bonded aluminumALUMINUM CO OF AMERICA·Filed 1991·Granted Jun 28, 1994·16 cites·13 claims
- 1955US5435374AFiber reinforced aluminum matrix composite with improved interfacial bondingALUMINUM CO OF AMERICA·Filed 1993·Granted Jul 25, 1995·14 cites·20 claims
- 2051US5124289ASurface treated permeable inorganic membranes and process of making sameALUMINUM CO OF AMERICA·Filed 1988·Granted Jun 23, 1992·11 cites·20 claims
- 2140US5286560AMethod for increasing the wettability of aluminum metal to alumina containing fibersALUMINUM CO OF AMERICA·Filed 1992·Granted Feb 15, 1994·7 cites·7 claims
- 2239US2002011280A1Method for inhibiting stains on aluminum product surfacesFiled 2001·Application pending·0 cites
- 2335US4818302AMethod of heat treatmentALUMINUM CO OF AMERICA·Filed 1986·Granted Apr 4, 1989·2 cites·19 claims
- 2433US2013308273A1Laser sintered matching set radiatorsGARD LEO·Filed 2012·Application pending·0 cites
- 2531US8835762B2Apparatus for electrical isolation of metallic hardwareGARD LEO·Filed 2011·Granted Sep 16, 2014·0 cites·4 claims
- 2629US2013306293A1Extruded matching set radiatorsGARD LEO·Filed 2012·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Karl Wefers files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →