Krumwiede; John F.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Krumwiede; John F..The latest application filed is for "gray glass composition".
- Krumwiede; John F. - Cheswick PA
- Krumwiede; John F. - Cumberland MD
- Krumwiede; John F. - Cresattown MD
- Krumwiede; John F. - Indiana Township Indiana County
- Krumwiede; John F. - Blawnox PA
| Patent | Date |
|---|---|
| Blue privacy glass Grant 6,656,862 - Krumwiede , et al. December 2, 2 | 2003-12-02 |
| Green privacy glass Grant 6,413,893 - Shelestak , et al. July 2, 2 | 2002-07-02 |
| Gray glass composition App 20010025002 - Krumwiede, John F. ; et al. | 2001-09-27 |
| Gray glass composition Grant 6,274,523 - Krumwiede , et al. August 14, 2 | 2001-08-14 |
| Gray glass composition Grant 6,114,264 - Krumwiede , et al. September 5, 2 | 2000-09-05 |
| Green privacy glass Grant 6,103,650 - Krumwiede August 15, 2 | 2000-08-15 |
| Ultraviolet absorbing green tinted glass Grant 5,593,929 - Krumwiede , et al. January 14, 1 | 1997-01-14 |
| Bronze glass composition Grant 5,565,388 - Krumwiede , et al. October 15, 1 | 1996-10-15 |
| Dark gray, infrared absorbing glass composition and coated glass for privacy glazing Grant 5,393,593 - Gulotta , et al. February 28, 1 | 1995-02-28 |
| Neutral gray, low transmittance, nickel-free glass Grant 5,023,210 - Krumwiede , et al. June 11, 1 | 1991-06-11 |
| Barrier apparatus and method of use for melting and refining glass or the like Grant 4,818,265 - Krumwiede , et al. April 4, 1 | 1989-04-04 |
| Continuously flushed thermocouple assembly Grant 4,747,883 - Krumwiede , et al. May 31, 1 | 1988-05-31 |
| Organic wetting of glass batch Grant 4,551,161 - Savolskis , et al. November 5, 1 | 1985-11-05 |
| Method and apparatus for controlling currents in glass melter Grant 4,544,396 - Krumwiede , et al. October 1, 1 | 1985-10-01 |
| Melting glass with two stage NO.sub.x control Grant 4,372,770 - Krumwiede , et al. February 8, 1 | 1983-02-08 |
| Method of recovering waste heat from furnace flue gases using a granular heat exchange means Grant 4,349,367 - Krumwiede September 14, 1 | 1982-09-14 |
uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.
While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.
All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.
| 