Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Expansion joint fire barrier systems

Expansion joint fire barrier systems

US Patent 4967527 · Granted Nov 6, 1990

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Apparatus and methods for gripping an elongated item2011
Apparatus and methods for gripping an elongated item2009
Methods for manufacturing a diaphragm for an air admittance valve2008
Air admittance valve2008
Anti-ovaling mechanical coupler2005
Intumescent interlocking collar2000
Expansion joint1994
Fire barrier1994
Expansion joint fire barrier1994
Expansion joint fire barrier systems1993
Expansion joint fire barrier systems1992
Expansion joint fire barrier systems1991