Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12163085 | Compositions comprising water dispersible polymer and unsaturated dicarboxylic acid derivative suitable for enhancing char | Megan A. Creighton, Nathan E. Schultz | 2024-12-10 |
| 12146248 | Flame-retardant non-woven fibrous webs | Liyun Ren, Daniel J. Zillig, Sachin Talwar, Eumi Pyun, Jeffrey Allen Chambers +2 more | 2024-11-19 |
| 11820844 | Charge-modified particles and methods of making the same | Nathan E. Schultz, Mikhail A. Belkin, Gerry A. Hoffdahl, Jimmie R. Baran, Jr. | 2023-11-21 |
| 11661687 | Thermal insulators and methods thereof | Pingfan Wu, Gerry A. Hoffdahl, Mingzhu Li | 2023-05-30 |
| 11492495 | Modified aluminum nitride particles and methods of making the same | Nathan E. Schultz, Li Yao, Gerry A. Hoffdahl, Jimmie R. Baran, Jr. | 2022-11-08 |
| 11351653 | Nonwoven abrasive articles having electrostatically-oriented abrasive particles and methods of making same | Aaron K. Nienaber, Grayce T. Huberty, Thomas J. Nelson, Ronald D. Apple, Louis S. Moren +3 more | 2022-06-07 |
| 11305224 | Air filter media with post-pleat-deposited sorbent particles | Andrew R. Fox, Himanshu Jasuja, Mikhail A. Belkin, Bryan L. Gerhardt, Glen O. Gregerson +2 more | 2022-04-19 |
| 11235552 | Thermal insulation materials and methods thereof | Mingzhu Li, Pingfan Wu, Eumi Pyun, Zhong Hai Cai, Qisheng Pan | 2022-02-01 |
| 9802187 | Non-woven electret fibrous webs and methods of making same | Xiaoshuan Fu, Rui Chen, Qiang Xu, Jean Le Normand, Hendrik Both +1 more | 2017-10-31 |
| 9771675 | Patterned air-laid nonwoven fibrous webs and methods of making and using same | Gordon L. Altshuler, James P. Endle, David L. Vall, Gerry A. Hoffdahl, Randy Robertson +4 more | 2017-09-26 |
| 9580848 | Apparatus and methods for producing nonwoven fibrous webs | John W. Henderson, Gustavo H. Castro, Gerry A. Hoffdahl, David L. Vall | 2017-02-28 |
| 9475034 | Nonwoven fibrous webs containing chemically active particulates and methods of making and using same | Bernard Vincent, Lahoussaine Lalouch, Eric M. Moore | 2016-10-25 |
| 9422653 | Methods and apparatus for producing nonwoven fibrous webs | John W. Henderson, Gustavo H. Castro, Gerry A. Hoffdahl, David L. Vall | 2016-08-23 |
| 8142538 | Pleated aligned web filter | Douglas C. Sundet, Rahul Shah, John M. Brandner | 2012-03-27 |
| 7622063 | Pleated aligned web filter | Douglas C. Sundet, Rahul Shah, John M. Brandner | 2009-11-24 |
| 6858297 | Aligned fiber web | Rahul Shah, Douglas C. Sundet, John M. Brandner | 2005-02-22 |
| 6589317 | Structured surface filtration media array | Zhiqun Zhang, Yuan-Ming Tang, Brian E. Spiewak | 2003-07-08 |
| 6123752 | High efficiency synthetic filter medium | Richard Kinderman, Seyed A. Angadjivand | 2000-09-26 |