Inventor
BIRDSELL WALTER
31 patents
⚠️ This page may combine multiple inventors who share the name “BIRDSELL WALTER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HONEYWELL INC
19 patentsUSD408511SApr 20, 1999
Humidifier
HONEYWELL INC132 citations96
USD396527SJul 28, 1998
Portable electric heater
HONEYWELL INC65 citations96
US6164630ADec 26, 2000
Portable humidifier with water treatment substance dispenser
HONEYWELL INC33 citations93
US6149141ANov 21, 2000
Portable evaporative humidifier apparatus
HONEYWELL INC38 citations93
US6052511AApr 18, 2000
Humidifier with removable water supply tank
HONEYWELL INC48 citations92
US6019355AFeb 1, 2000
Contractible portable humidifier
HONEYWELL INC23 citations92
USD402021SDec 1, 1998
Humidifier
HONEYWELL INC26 citations92
USD401316SNov 17, 1998
Humidifier
HONEYWELL INC17 citations92
USD400659SNov 3, 1998
Portable electric heater
HONEYWELL INC18 citations92
USD397193SAug 18, 1998
Portable electric heater
HONEYWELL INC30 citations92
USD396526SJul 28, 1998
Portable electric heater
HONEYWELL INC27 citations92
USD408903SApr 27, 1999
Portable electric heater
HONEYWELL INC21 citations90
US6167193ADec 26, 2000
Portable electric heater with digital display
HONEYWELL INC26 citations89
US6149138ANov 21, 2000
Portable humidifier with keyed replaceable cartridge element
HONEYWELL INC18 citations84
US6131889AOct 17, 2000
Evaporative humidifier with liquid distribution system
HONEYWELL INC13 citations74
USD401315SNov 17, 1998
Portable electric heater
HONEYWELL INC12 citations73
USD401314SNov 17, 1998
Portable electric heater
HONEYWELL INC10 citations73
USD422677SApr 11, 2000
Water treatment container
HONEYWELL INC5 citations63
USD397195SAug 18, 1998
Humidifier
HONEYWELL INC2 citations62
HONEYWELL CONSUMER PRODUCTS INC
7 patentsUSD395490SJun 23, 1998
Portable space heater
HONEYWELL CONSUMER PRODUCTS INC106 citations98
USD405520SFeb 9, 1999
Portable fan
HONEYWELL CONSUMER PRODUCTS INC69 citations96
US6091888AJul 18, 2000
Portable environmental conditioning device with presence detector responsive shutoff
HONEYWELL CONSUMER PRODUCTS INC34 citations92
USD405171SFeb 2, 1999
Portable electric heater
HONEYWELL CONSUMER PRODUCTS INC8 citations74
USD402363SDec 8, 1998
Portable fan
HONEYWELL CONSUMER PRODUCTS INC15 citations73
USD398043SSep 8, 1998
Portable humidifier
HONEYWELL CONSUMER PRODUCTS INC6 citations73
USD406885SMar 16, 1999
Vaporizer
HONEYWELL CONSUMER PRODUCTS INC5 citations62