Langer; Roger L.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Langer; Roger L..The latest application filed is for "method of making self-supporting insulating end cone liners and pollution control devices".

Company Profile

0.19.5

Langer; Roger L. - Hudson WI
Langer; Roger L. - St. Paul MN
Langer; Roger L. - Troy Township St. Croix County

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Method of making self-supporting insulating end cone liners and pollution control devices Grant 8,741,200 - Shirk , et al. June 3, 2	2014-06-03
Method Of Making Self-supporting Insulating End Cone Liners And Pollution Control Devices App 20140101911 - Shirk; Ryan C. ; et al.	2014-04-17
Self-supporting insulating end cone liner and pollution control device Grant 8,632,727 - Shirk , et al. January 21, 2	2014-01-21
Self-supporting Insulating End Cone Liner And Pollution Control Device App 20120231187 - Shirk; Ryan C. ; et al.	2012-09-13
Self-supporting insulating end cone liner and pollution control device Grant 8,182,751 - Shirk , et al. May 22, 2	2012-05-22
Self-supporting Insulating End Cone Liner And Pollution Control Device App 20100247399 - Shirk; Ryan C. ; et al.	2010-09-30
Method of making a polluction control device and a self-supporting insulating end cone Grant 7,758,795 - Shirk , et al. July 20, 2	2010-07-20
Compressible preform insulating liner Grant 6,923,942 - Shirk , et al. August 2, 2	2005-08-02
Compressible preform insulating liner App 20030097752 - Shirk, Ryan C. ; et al.	2003-05-29
Method of making multilayer sheets for firestops or mounting mats Grant 6,458,418 - Langer , et al. October 1, 2	2002-10-01
Multilayer intumescent sheet and pollution control device Grant 6,365,267 - Langer , et al. April 2, 2	2002-04-02
Method of making multilayer sheets for firestops or mounting mats App 20010046456 - Langer, Roger L. ; et al.	2001-11-29
Multilayer intumescent sheet Grant 6,051,193 - Langer , et al. April 18, 2	2000-04-18
Intumescent sheet material Grant 5,869,010 - Langer February 9, 1	1999-02-09
Partially dehydrated vermiculite flakes and method of making same Grant 5,254,410 - Langer , et al. * October 19, 1	1993-10-19
Catalytic converter having a metallic monolith mounted by a heat-insulating mat of refractory ceramic fibers Grant 5,250,269 - Langer October 5, 1	1993-10-05
Water-based intumescent fire barrier caulk Grant 5,175,197 - Gestner , et al. December 29, 1	1992-12-29
Endothermic fire protective material Grant 5,059,637 - Langer October 22, 1	1991-10-22
Flexible fibrous endothermic sheet material for fire protection Grant 4,600,634 - Langer July 15, 1	1986-07-15
Intumescent sheet material containing low density fillers Grant 4,385,135 - Langer , et al. May 24, 1	1983-05-24
Intumescent sheet material Grant 4,305,992 - Langer , et al. December 15, 1	1981-12-15
Intumescent fire retardant composites Grant 4,273,879 - Langer , et al. June 16, 1	1981-06-16
Offset laminated intumescent mounting mat Grant 4,048,363 - Langer , et al. September 13, 1	1977-09-13

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.