Witzel; Frank
Patent Applications and Registrations
Patent applications and USPTO patent grants for Witzel; Frank.The latest application filed is for "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".
- Witzel; Frank - Bloomfield Hills MI
- Witzel; Frank - Saratoga Springs NY
- Witzel; Frank - Spring Valley NY
| Patent | Date |
|---|---|
| Method and device for reducing the number of particles in an exhaust gas Grant 6,941,742 - Neufert , et al. September 13, 2 | 2005-09-13 |
| Catalytic converter and method for cleaning exhaust gas Grant 6,641,785 - Neufert , et al. November 4, 2 | 2003-11-04 |
| Process for producing a catalyst body Grant 6,576,585 - Fischer , et al. June 10, 2 | 2003-06-10 |
| Catalyst body and process for breaking down nitrogen oxides Grant 6,569,394 - Fischer , et al. May 27, 2 | 2003-05-27 |
| Exhaust emission control system for the exhaust gas of a diesel engine Grant 6,401,455 - Mathes , et al. June 11, 2 | 2002-06-11 |
| 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 App 20020062577 - Fischer, Stefan ; et al. | 2002-05-30 |
| Catalyst body and process for breaking down nitrogen oxides App 20020004446 - Fischer, Stefan ; et al. | 2002-01-10 |
| Catalyst body and process for reducing the levels of halogenated hydrocarbons App 20010038814 - Fischer, Stefan ; et al. | 2001-11-08 |
| Process for producing a catalyst body App 20010025009 - Fischer, Stefan ; et al. | 2001-09-27 |
| Catalyst body Grant 6,258,436 - Pajonk , et al. July 10, 2 | 2001-07-10 |
| Method and device for removing oxidic noxious substances in an oxygen-containing exhaust gas and engine which is operated therewith Grant 6,247,303 - Broer , et al. June 19, 2 | 2001-06-19 |
| Soft homogeneous antacid tablet Grant 4,609,543 - Morris , et al. September 2, 1 | 1986-09-02 |
| Soft homogeneous antacid tablet Grant 4,581,381 - Morris , et al. April 8, 1 | 1986-04-08 |
| Soft homogeneous antacid tablet Grant 4,533,543 - Morris , et al. August 6, 1 | 1985-08-06 |
| Breath freshener composition and method Grant 4,409,202 - Witzel , et al. * October 11, 1 | 1983-10-11 |
| Reduced calorie chewing gum Grant 4,357,354 - Kehoe , et al. * November 2, 1 | 1982-11-02 |
| Chewing gum containing fatty or gelatinous sweetener and method Grant 4,352,824 - Puglia , et al. October 5, 1 | 1982-10-05 |
| Tobacco-flavored chewing gum Grant 4,317,837 - Kehoe , et al. March 2, 1 | 1982-03-02 |
| Breath freshener composition and method Grant 4,303,648 - Witzel , et al. December 1, 1 | 1981-12-01 |
| Liquid-filled chewing gum and method Grant 4,301,178 - Witzel , et al. November 17, 1 | 1981-11-17 |
| Method of reducing dental caries Grant 4,291,045 - Mackay , et al. September 22, 1 | 1981-09-22 |
| Portable liquid antacids Grant 4,271,142 - Puglia , et al. June 2, 1 | 1981-06-02 |
| Chewable calorie-free chewing gum base Grant 4,252,830 - Kehoe , et al. February 24, 1 | 1981-02-24 |
| Chewing cum capable of releasing finely divided water-insoluble materials therefrom Grant 4,238,475 - Witzel , et al. December 9, 1 | 1980-12-09 |
| Long-lasting chewing gum and method Grant 4,217,368 - Witzel , et al. August 12, 1 | 1980-08-12 |
| Long-lasting chewing gum having good processibility and method Grant 4,208,431 - Friello , et al. June 17, 1 | 1980-06-17 |
| Chewing gum having improved flavor duration and shelf-life Grant 4,157,401 - Stroz , et al. June 5, 1 | 1979-06-05 |
| Effervescent tablet and method Grant 4,127,645 - Witzel , et al. November 28, 1 | 1978-11-28 |
| Long-lasting flavored chewing gum including sweetener dispersed in ester gums and method Grant 4,087,557 - Bakal , et al. May 2, 1 | 1978-05-02 |
| Long-lasting mint-flavored chewing gum Grant 4,045,581 - Mackay , et al. August 30, 1 | 1977-08-30 |
| Non-adhesive chewing gum composition Grant 3,974,293 - Witzel August 10, 1 | 1976-08-10 |
| Chewing gum having surface impregnated, microencapsulated flavor particles Grant 3,962,463 - Witzel June 8, 1 | 1976-06-08 |
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