Inventor · disambiguated record
Keith A. Ludwig
Also filed as: LUDWIG KEITH · LUDWIG KEITH A · LUDWIG KEITH ALAN · LUDWIG KEITH D
8 granted patents·8 pending applications·367 citations·filing 1987–2012
90Inventor score
Files withAIR PROD & CHEM7BOTTOMLINE TECHNOLOGIES DE INC4BOTTOMLINE TECHNOLOGIES INC4GENKIN EUGENE S1
Top patents by PatentIndex Score
16 records- 0196US8808425B2Process and apparatus for producing hydrogen and carbon monoxideGENKIN EUGENE S·Filed 2012·Granted Aug 19, 2014·64 cites·19 claims
- 0291US5810910AAdsorbents for ozone recovery from gas mixturesAIR PROD & CHEM·Filed 1995·Granted Sep 22, 1998·95 cites·18 claims
- 0388US5122174ABoiling process and a heat exchanger for use in the processAIR PROD & CHEM·Filed 1991·Granted Jun 16, 1992·65 cites·17 claims
- 0484US5305610AProcess and apparatus for producing nitrogen and oxygenAIR PROD & CHEM·Filed 1990·Granted Apr 26, 1994·52 cites·18 claims
- 0579US6576043B2Recovery of nitrogen and light hydrocarbons from polyalkene purge gasAIR PROD & CHEM·Filed 2001·Granted Jun 10, 2003·28 cites·25 claims
- 0678US4700771AMulti-zone boiling process and apparatusAIR PROD & CHEM·Filed 1987·Granted Oct 20, 1987·35 cites·19 claims
- 0762US4836836ASeparating argon/oxygen mixtures using a structured packingAIR PROD & CHEM·Filed 1987·Granted Jun 6, 1989·21 cites·4 claims
- 0852US2003004874A1Electronic bill presentment system with client specific formatting of dataBOTTOMLINE TECHNOLOGIES DE INC·Filed 2001·Application pending·0 cites
- 0950US2002198829A1Modular business transactions platformBOTTOMLINE TECHNOLOGIES INC·Filed 2001·Application pending·0 cites
- 1050US2002198798A1Modular business transactions platformBOTTOMLINE TECHNOLOGIES INC·Filed 2001·Application pending·0 cites
- 1150US2003167229A1Modular business transations platformBOTTOMLINE TECHNOLOGIES INC·Filed 2001·Application pending·0 cites
- 1250US2002198828A1Modular business transactions platformBOTTOMLINE TECHNOLOGIES INC·Filed 2001·Application pending·0 cites
- 1339US2006279769A1System and method for secure printing of a transaction document at a remote locationBOTTOMLINE TECHNOLOGIES DE INC·Filed 2005·Application pending·0 cites
- 1439US2006279772A1Secure web based system for generating a printed document at a remote printerBOTTOMLINE TECHNOLOGIES DE INC·Filed 2005·Application pending·0 cites
- 1539US2006279771A1Server for generating a print object and making the pint object available for secure printing at a remote locationBOTTOMLINE TECHNOLOGIES DE INC·Filed 2005·Application pending·0 cites
- 1636US4813988ASuitable distillation column packing for the cryogenic separation of airAIR PROD & CHEM·Filed 1988·Granted Mar 21, 1989·7 cites·10 claims
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