Francis; Hubert C.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Francis; Hubert C..The latest application filed is for "ultra-lightweight gypsum wallboard".
- Francis; Hubert C. - Lithonia GA US
- Francis; Hubert C. - Portland OR
| Patent | Date |
|---|---|
| Lightweight gypsum wallboard Grant 10,259,196 - Francis | 2019-04-16 |
| Ultra-Lightweight Gypsum Wallboard App 20150376063 - Francis; Hubert C. | 2015-12-31 |
| Lightweight Gypsum Wallboard App 20140315008 - Francis; Hubert C. | 2014-10-23 |
| Gypsum Boards Made With High Performance Bio-based Facers And Method Of Making The Same App 20140302280 - Gautam; Keshav S. ; et al. | 2014-10-09 |
| Non-cement fire door core Grant 8,673,201 - Francis March 18, 2 | 2014-03-18 |
| Non-Cement Fire Door Core App 20120248655 - Francis; Hubert C. | 2012-10-04 |
| Non-cement fire door core Grant 8,221,542 - Francis July 17, 2 | 2012-07-17 |
| Cement-based fire door core Grant 8,088,217 - Francis January 3, 2 | 2012-01-03 |
| Light weight metal fire door core Grant 7,927,420 - Francis April 19, 2 | 2011-04-19 |
| Low Voc Joint Composition App 20100083879 - Francis; Hubert C. | 2010-04-08 |
| Compositions For The Manufacture Of Gypsum Boards, Methods Of Manufacture Thereof, And Gypsum Boards Formed Therefrom App 20100075167 - Gilley; Stuart Brandon ; et al. | 2010-03-25 |
| Gypsum-based floor underlayment Grant 7,651,564 - Francis January 26, 2 | 2010-01-26 |
| Fly Ash-based Floor Patching Composition App 20090306251 - Francis; Hubert C. | 2009-12-10 |
| Gypsum-based Floor Underlayment App 20090255443 - Francis; Hubert C. | 2009-10-15 |
| Wallboard Joint System App 20090178357 - Francis; Hubert C. | 2009-07-16 |
| Non-cement Fire Door Core App 20090151602 - Francis; Hubert C. | 2009-06-18 |
| Light Weight Metal Fire Door Core App 20090152519 - Francis; Hubert C. | 2009-06-18 |
| Cement-based Fire Door Core App 20090151603 - Francis; Hubert C. | 2009-06-18 |
| Fire door core Grant 6,846,358 - Francis January 25, 2 | 2005-01-25 |
| Fire door core App 20040211338 - Francis, Hubert C. | 2004-10-28 |
| Quick drying plaster Grant 6,746,533 - Ksionzyk , et al. June 8, 2 | 2004-06-08 |
| Gypsum board having polyvinyl alcohol binder in interface layer and method for making the same Grant 6,746,781 - Francis , et al. June 8, 2 | 2004-06-08 |
| Gypsum board having polyvinyl alcohol binder in interface layer and method for making the same App 20040038065 - Francis, Hubert C. ; et al. | 2004-02-26 |
| Quick drying plaster App 20030221591 - Ksionzyk, Anne H. ; et al. | 2003-12-04 |
| Fire-resistant gypsum building materials Grant 5,945,208 - Richards , et al. August 31, 1 | 1999-08-31 |
| Flyash-based compositions Grant 5,439,518 - Francis , et al. August 8, 1 | 1995-08-08 |
| Fire-resistant structure containing gypsum fiberboard Grant 5,305,577 - Richards , et al. * April 26, 1 | 1994-04-26 |
| Gypsum building product Grant 5,171,366 - Richards , et al. December 15, 1 | 1992-12-15 |
| Firedoor constructions including gypsum building product Grant 5,155,959 - Richards , et al. October 20, 1 | 1992-10-20 |
| Joint composition including starch Grant 4,287,103 - Green , et al. September 1, 1 | 1981-09-01 |
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