E04B 1/94

Against fire

Official title: against fire ({fire protection of partitions E04B2/7403, E04B2/7409; supporting constructions for ceilings having the capability of expansion in case of fire E04B9/08}; fire-fighting A62C, {e.g. fire prevention or containment A62C2/00}; impregnation of wood or similar materials B27K; {fireproof paints C09D5/18; fireproofing materials C09K21/00; flame-resistant papers D21H5/0002; coverings or linings, e.g. for walls or ceilings, in general E04F13/00}; fireproof doors E06B5/16; {firebreak devices for pipes or the like passing through walls F16L5/04; protection of pipes by means of non-inflammable material F16L57/04})

E04B1/94 (Against fire) appears on 1,146 US grants and 1,298 published applications in this corpus.

Search patents in E04B
Granted patents
1,146
Published applications
1,298
Assignees
594
Inventors
1,899
Latest grant
29 Sep 2026

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E04B 1/94: granted patents and published applications per publication year
YearGranted patentsPublished applications
1976120
1977130
1978170
197990
1980110
1981160
198290
198390
198470
198570
1986130
198760
1988140
1989140
1990120
199130
1992100
199360
199450
1995110
1996110
1997100
1998100
1999100
2000140
200191
2002511
2003514
20041216
2005712
2006426
2007425
2008231
2009626
20101620
20111737
20122136
20133240
20142759
20154260
20164860
20175489
20185097
201978129
202084107
20218879
20225893
20236969
20246366
20255254
20263441

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