Inventor
WITZEL FRANK
US34 patents
⚠️ This page may combine multiple inventors who share the name “WITZEL FRANK”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
LIFE SAVERS INC
18 patentsUS4317837AMar 2, 1982
Tobacco-flavored chewing gum
LIFE SAVERS INC99 citations96
US4301178ANov 17, 1981
Liquid-filled chewing gum and method
LIFE SAVERS INC85 citations96
US4252830AFeb 24, 1981
Chewable calorie-free chewing gum base
LIFE SAVERS INC54 citations96
US4238475ADec 9, 1980
Chewing cum capable of releasing finely divided water-insoluble materials therefrom
LIFE SAVERS INC151 citations96
US4217368AAug 12, 1980
Long-lasting chewing gum and method
LIFE SAVERS INC141 citations96
US4208431AJun 17, 1980
Long-lasting chewing gum having good processibility and method
LIFE SAVERS INC117 citations96
US4127645ANov 28, 1978
Effervescent tablet and method
LIFE SAVERS INC95 citations96
US3974293AAug 10, 1976
Non-adhesive chewing gum composition
LIFE SAVERS INC65 citations96
US3962463AJun 8, 1976
Chewing gum having surface impregnated, microencapsulated flavor particles
LIFE SAVERS INC82 citations96
US4271142AJun 2, 1981
Portable liquid antacids
LIFE SAVERS INC49 citations92
US4157401AJun 5, 1979
Chewing gum having improved flavor duration and shelf-life
LIFE SAVERS INC33 citations92
US4064274ADec 20, 1977
Long-lasting flavored chewing gum including chalk-free gum base
LIFE SAVERS INC39 citations92
US4045581AAug 30, 1977
Long-lasting mint-flavored chewing gum
LIFE SAVERS INC41 citations92
US4085227AApr 18, 1978
Long-lasting flavored chewing gum
LIFE SAVERS INC20 citations82
US4291045ASep 22, 1981
Method of reducing dental caries
LIFE SAVERS INC28 citations80
US4303648ADec 1, 1981
Breath freshener composition and method
LIFE SAVERS INC26 citations77
US4166134AAug 28, 1979
Method for improving flexibility retention of chewing gum
LIFE SAVERS INC11 citations74
US4087557AMay 2, 1978
Long-lasting flavored chewing gum including sweetener dispersed in ester gums and method
LIFE SAVERS INC16 citations74
SIEMENS AG
10 patentsUS6401455B1Jun 11, 2002
Exhaust emission control system for the exhaust gas of a diesel engine
SIEMENS AG79 citations94
US6941742B1Sep 13, 2005
Method and device for reducing the number of particles in an exhaust gas
SIEMENS AG22 citations92
US6641785B1Nov 4, 2003
Catalytic converter and method for cleaning exhaust gas
SIEMENS AG49 citations92
US6576585B2Jun 10, 2003
Process for producing a catalyst body
SIEMENS AG46 citations92
US6569394B2May 27, 2003
Catalyst body and process for breaking down nitrogen oxides
SIEMENS AG51 citations92
US6475453B1Nov 5, 2002
Configuration for decomposing nitrogen oxides in a gas stream and method for using the configuration
SIEMENS AG26 citations92
US6247303B1Jun 19, 2001
Method and device for removing oxidic noxious substances in an oxygen-containing exhaust gas and engine which is operated therewith
SIEMENS AG42 citations89
US6258436B1Jul 10, 2001
Catalyst body
SIEMENS AG8 citations68
US6475952B2Nov 5, 2002
Process for producing a catalytically active material, catalytic converter having a catalytically active material produced in this manner, and use of the catalytic converter to break down dioxins and/or furans
SIEMENS AG4 citations62
US6589495B2Jul 8, 2003
Process for reducing the levels of halogenated hydrocarbons
SIEMENS AG0 citations52
NABISCO BRANDS INC
6 patentsUS4352824AOct 5, 1982
Chewing gum containing fatty or gelatinous sweetener and method
NABISCO BRANDS INC63 citations96
US4609543ASep 2, 1986
Soft homogeneous antacid tablet
NABISCO BRANDS INC129 citations95
US4533543AAug 6, 1985
Soft homogeneous antacid tablet
NABISCO BRANDS INC53 citations92
US4357354ANov 2, 1982
Reduced calorie chewing gum
NABISCO BRANDS INC50 citations92
US4581381AApr 8, 1986
Soft homogeneous antacid tablet
NABISCO BRANDS INC30 citations90
US4409202AOct 11, 1983
Breath freshener composition and method
NABISCO BRANDS INC27 citations78