Issued Patents All Time
Showing 1–25 of 60 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12060708 | Light gauge main tee splice | — | 2024-08-13 |
| 11952775 | Connector bracket for non-rectangular grid | — | 2024-04-09 |
| 11608636 | T-grid to baffle bar bracket | Peder J. Gulbrandsen, Eric H. Kremer, Faris Alnakkar | 2023-03-21 |
| 10988953 | Building perimeter system | Peder J. Gulbrandsen, Mark R. Paulsen, Michael O'Donnell | 2021-04-27 |
| 10876305 | Building perimeter systems | Peder J. Gulbrandsen | 2020-12-29 |
| 10233639 | Open plenum utility channel | Peder J. Gulbrandsen, Mark R. Paulsen | 2019-03-19 |
| 10174501 | Metal baffles | Peder J. Gulbrandsen, Mark R. Paulsen, Kyle S. Carolus | 2019-01-08 |
| 10011987 | Main tee splice plate | James J. Lehane | 2018-07-03 |
| 10006199 | Trim strip system for use with underhung ceiling panels | Peder J. Gulbrandsen, Mark R. Paulsen | 2018-06-26 |
| 9938718 | Arched island ceiling useful in open plenum | — | 2018-04-10 |
| 9920525 | Acoustical baffle panel system | Peder J. Gulbrandsen | 2018-03-20 |
| 9920524 | Trim strip system for use with underhung ceiling panels | Peder J. Gulbrandsen, Mark R. Paulsen | 2018-03-20 |
| 9909312 | Free span ceiling grid system | James J. Lehane, Lee M. Tedesco, Peder J. Gulbrandsen, John M. Willi, Donald J. Leahy +2 more | 2018-03-06 |
| 9879424 | Torsion spring panel bars and construction method | Peder J. Gulbrandsen | 2018-01-30 |
| 9663948 | Free span ceiling grid system | James J. Lehane, Lee M. Tedesco, Peder J. Gulbrandsen, John M. Willi, Donald J. Leahy +2 more | 2017-05-30 |
| 9534383 | Ceiling panel system | Peder J. Gulbrandsen, Mark R. Paulsen | 2017-01-03 |
| 9464433 | Self-tightening splice | Samuel D. Hulka, Peder J. Gulbrandsen | 2016-10-11 |
| 9416536 | Indexed support bar | James J. Lehane, Peder J. Gulbrandsen | 2016-08-16 |
| 9255403 | Free span ceiling grid system | James J. Lehane, Lee M. Tedesco, Peder J. Gulbrandsen, John M. Willi, Donald J. Leahy +2 more | 2016-02-09 |
| 9228347 | Torsion spring metal ceiling system and hardware | Peder J. Gulbrandsen, Mark R. Paulsen | 2016-01-05 |
| 9187898 | Perimeter trim clip for suspended ceilings | Peder J. Gulbrandsen, Mark R. Paulsen | 2015-11-17 |
| D739957 | Cross tee with a hole locking tab | Peder J. Gulbrandsen, Mark R. Paulsen | 2015-09-29 |
| D736606 | Bracket for a two-piece yoke for a suspended ceiling | Peder J. Gulbrandsen, Mark R. Paulsen | 2015-08-18 |
| D733934 | Utility module bracket | Peder J. Gulbrandsen, Mark R. Paulsen | 2015-07-07 |
| D729053 | Perimeter trim clip | Peder J. Gulbrandsen, Mark R. Paulsen | 2015-05-12 |