Assignee
KELLER WILHELM A
CH·40 granted patents·1,800 citations·filing 1987–2010
Top patents by PatentIndex Score
40 records- 0198US8100295B2Dispensing assembly with removably attachable accessoriesKELLER WILHELM A·Filed 2007·Granted Jan 24, 2012·49 cites·33 claims
- 0298US5918772ABayonet fastening device for the attachment of an accessory to a multiple component cartridge or dispensing deviceKELLER WILHELM A·Filed 1995·Granted Jul 6, 1999·159 cites·44 claims
- 0397US5609271AMixer and multiple component dispensing device assembly and method for the aligned connection of the mixer to the multiple component dispensing deviceKELLER WILHELM A·Filed 1995·Granted Mar 11, 1997·152 cites·14 claims
- 0496US4989758ADouble delivery cartridge for two massesKELLER WILHELM A·Filed 1989·Granted Feb 5, 1991·99 cites·13 claims
- 0596US4767026ADispensing and mixing apparatusKELLER WILHELM A·Filed 1987·Granted Aug 30, 1988·221 cites·6 claims
- 0694US5137181AManually operated appliance, in particular for a double dispensing cartridge for two-component substancesKELLER WILHELM A·Filed 1990·Granted Aug 11, 1992·90 cites·22 claims
- 0793US8286832B2Dispensing device for single useKELLER WILHELM A·Filed 2006·Granted Oct 16, 2012·18 cites·20 claims
- 0891US5228599AMultiple dispensing cartridge for multiple-component substancesKELLER WILHELM A·Filed 1991·Granted Jul 20, 1993·66 cites·11 claims
- 0989US5005735ADispensing apparatus for operating double cartridgesKELLER WILHELM A·Filed 1988·Granted Apr 9, 1991·57 cites·4 claims
- 1088US5178305ADispensing cartridge with storage cylinder and dispensing piston having a closure sealed vent boreKELLER WILHELM A·Filed 1991·Granted Jan 12, 1993·79 cites·5 claims
- 1188US4826053ADispenser for cartridgesKELLER WILHELM A·Filed 1987·Granted May 2, 1989·53 cites·21 claims
- 1287US8074843B2Two-part double syringeKELLER WILHELM A·Filed 2007·Granted Dec 13, 2011·45 cites·11 claims
- 1387US5336014AManually operated dispensing appliance, in particular for a double dispensing cartridge for two-component substancesKELLER WILHELM A·Filed 1992·Granted Aug 9, 1994·48 cites·14 claims
- 1486US9010578B2Discharge arrangement having a connecting device between a multi-component cartridge and an accessory partKELLER WILHELM A·Filed 2010·Granted Apr 21, 2015·8 cites·17 claims
- 1586US8167835B2Single chamber device for drawing in and dispensing componentsKELLER WILHELM A·Filed 2009·Granted May 1, 2012·12 cites·7 claims
- 1685US5137182AEnd closure for the nozzle orifice of a dispensing cartridgeKELLER WILHELM A·Filed 1990·Granted Aug 11, 1992·44 cites·13 claims
- 1784US8590747B2Multiple cartridge dispenser with rotating driverKELLER WILHELM A·Filed 2009·Granted Nov 26, 2013·33 cites·13 claims
- 1882US6186363B1Bayonet fastening device for the attachment of an accessory to a multiple component cartridge or dispensing deviceKELLER WILHELM A·Filed 1999·Granted Feb 13, 2001·54 cites·7 claims
- 1982US4951848AViscous material dispenser with vented delivery pistonKELLER WILHELM A·Filed 1989·Granted Aug 28, 1990·57 cites·4 claims
- 2081US8313232B2Dynamic mixerKELLER WILHELM A·Filed 2006·Granted Nov 20, 2012·6 cites·12 claims
- 2178US8096449B2Dispensing appliance for a multiple cartridgeKELLER WILHELM A·Filed 2007·Granted Jan 17, 2012·18 cites·9 claims
- 2277US8460235B2Dispensing assembly for two components with double syringe and mixerKELLER WILHELM A·Filed 2008·Granted Jun 11, 2013·14 cites·17 claims
- 2376US5203476AElectrically operated dispensing appliance including mechanical means for preventing afterflow of the dispensed productKELLER WILHELM A·Filed 1991·Granted Apr 20, 1993·32 cites·13 claims
- 2474US8256646B2Device and method for storing, mixing and dispensing componentsKELLER WILHELM A·Filed 2007·Granted Sep 4, 2012·5 cites·11 claims
- 2572US4911328APressure medium-driven dispensing appliance for operating double cartridge casesKELLER WILHELM A·Filed 1988·Granted Mar 27, 1990·24 cites·12 claims
- 2671US9480543B2Dispensing device with a spray assemblyKELLER WILHELM A·Filed 2007·Granted Nov 1, 2016·2 cites·24 claims
- 2770USD328555SDispensing tool for cartridgesKELLER WILHELM A·Filed 1990·Granted Aug 11, 1992·14 cites·1 claims
- 2870US5072862AFlow mixerKELLER WILHELM A·Filed 1990·Granted Dec 17, 1991·36 cites·6 claims
- 2968US5547110AMetering device for fluidsKELLER WILHELM A·Filed 1994·Granted Aug 20, 1996·26 cites·7 claims
- 3068US4834268ADispensing cartridge with delivery pistonKELLER WILHELM A·Filed 1988·Granted May 30, 1989·36 cites·7 claims
- 3167US5224628ADispensing apparatus for use with twin cartridgesKELLER WILHELM A·Filed 1991·Granted Jul 6, 1993·21 cites·8 claims
- 3267US4981241ADouble delivery cartridge for two component massesKELLER WILHELM A·Filed 1990·Granted Jan 1, 1991·120 cites·16 claims
- 3366US8517226B2Syringe with a pistonKELLER WILHELM A·Filed 2007·Granted Aug 27, 2013·4 cites·8 claims
- 3463USRE34487EDispensing apparatus for operating double cartridgesKELLER WILHELM A·Filed 1992·Granted Dec 28, 1993·19 cites·5 claims
- 3560US6059148AMetering deviceKELLER WILHELM A·Filed 1998·Granted May 9, 2000·21 cites·9 claims
- 3660US5184758APressure medium-driven dispensing appliance for operating double cartridge casesKELLER WILHELM A·Filed 1990·Granted Feb 9, 1993·18 cites·4 claims
- 3756US5478150ADevice for the continuous monitoring of the correct proportioning and mixing of at least two fluidsKELLER WILHELM A·Filed 1994·Granted Dec 26, 1995·20 cites·13 claims
- 3849US8132694B2Dispensing device comprising a dispensing appliance and a multicomponent syringeKELLER WILHELM A·Filed 2005·Granted Mar 13, 2012·0 cites·9 claims
- 3948US5850946AMetering deviceKELLER WILHELM A·Filed 1996·Granted Dec 22, 1998·11 cites·23 claims
- 4044US5054655ADispensing apparatus for handling cartridgesKELLER WILHELM A·Filed 1989·Granted Oct 8, 1991·9 cites·3 claims
Join the waitlist — get patent alerts
Get an alert when KELLER WILHELM A 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 →