Inventor
SCHUMACHER KARL H
US15 patents
⚠️ This page may combine multiple inventors who share the name “SCHUMACHER KARL H”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PITNEY BOWES INC
13 patentsUS7149780B2Dec 12, 2006
Method for determining e-mail address format rules
PITNEY BOWES INC137 citations99
US5072401ADec 10, 1991
Optimizing mail delivery systems by logistics planning
PITNEY BOWES INC154 citations99
US5161109ANov 3, 1992
Up/down loading of databases
PITNEY BOWES INC151 citations98
US5068797ANov 26, 1991
Optimizing mail delivery systems by routing
PITNEY BOWES INC148 citations98
US5051914ASep 24, 1991
Optimizing mail delivery systems by merging mailings
PITNEY BOWES INC140 citations98
US5008827AApr 16, 1991
Central postage data communication network
PITNEY BOWES INC239 citations97
US5058008AOct 15, 1991
Mail system with personalized training for users
PITNEY BOWES INC101 citations96
US5058030AOct 15, 1991
Optimizing mail processing by matching publisher and inserter entities
PITNEY BOWES INC60 citations96
US5060165AOct 22, 1991
Optimizing mail processing by matching publisher and printer entities
PITNEY BOWES INC82 citations95
US5005124AApr 2, 1991
Method and apparatus for categorizing and certifying mail
PITNEY BOWES INC85 citations95
US6895427B2May 17, 2005
System and method for cleansing addresses for electronic messages
PITNEY BOWES INC32 citations92
US6839738B2Jan 4, 2005
System and method for cleansing addresses for electronic messages
PITNEY BOWES INC29 citations92
US5229932AJul 20, 1993
Method and apparatus for categorizing and certifying mail batches
PITNEY BOWES INC52 citations92