E04F
Finishing work on buildings
Official title: FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS (windows, doors E06B)
E04F (Finishing work on buildings) appears on 17,226 US grants and 17,366 published applications in this corpus.
Search patents in E04F- Granted patents
- 17,226
- Published applications
- 17,366
- Assignees
- 6,225
- Inventors
- 23,446
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 130 | 0 |
| 1977 | 136 | 0 |
| 1978 | 142 | 0 |
| 1979 | 87 | 0 |
| 1980 | 97 | 0 |
| 1981 | 105 | 0 |
| 1982 | 92 | 0 |
| 1983 | 98 | 0 |
| 1984 | 115 | 0 |
| 1985 | 133 | 0 |
| 1986 | 166 | 0 |
| 1987 | 203 | 0 |
| 1988 | 178 | 0 |
| 1989 | 259 | 0 |
| 1990 | 218 | 0 |
| 1991 | 235 | 0 |
| 1992 | 230 | 0 |
| 1993 | 225 | 0 |
| 1994 | 221 | 0 |
| 1995 | 202 | 0 |
| 1996 | 190 | 0 |
| 1997 | 235 | 0 |
| 1998 | 272 | 0 |
| 1999 | 295 | 0 |
| 2000 | 314 | 0 |
| 2001 | 350 | 110 |
| 2002 | 353 | 445 |
| 2003 | 377 | 539 |
| 2004 | 347 | 639 |
| 2005 | 303 | 669 |
| 2006 | 276 | 668 |
| 2007 | 229 | 603 |
| 2008 | 223 | 644 |
| 2009 | 291 | 616 |
| 2010 | 445 | 630 |
| 2011 | 394 | 604 |
| 2012 | 458 | 554 |
| 2013 | 521 | 690 |
| 2014 | 608 | 756 |
| 2015 | 621 | 781 |
| 2016 | 609 | 782 |
| 2017 | 618 | 779 |
| 2018 | 641 | 788 |
| 2019 | 727 | 818 |
| 2020 | 728 | 863 |
| 2021 | 633 | 853 |
| 2022 | 584 | 807 |
| 2023 | 617 | 786 |
| 2024 | 644 | 749 |
| 2025 | 669 | 688 |
| 2026 | 382 | 505 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Main groups
Granted patents with any code in the group
- E04F 15/00Flooring5,617
- E04F 13/00Coverings or linings5,301
- E04F 21/00Implements for finishing work on buildings3,456
- E04F 2201/00Joining sheets or plates or panelsIndexing code2,350
- E04F 11/00Stairways, ramps, or like structures2,101
- E04F 19/00Finishing work on buildings: other details of constructional parts for finishing work1,595
- E04F 10/00Sunshades1,018
- E04F 17/00Vertical ducts532
Recent patents
- Methods for manufacturing a decorative panel, and decorative panels6 Oct 2026US 12,752,570 B2Unilin BV
- Film and method of producing the same6 Oct 2026US 12,753,316 B23M Innovative Properties Company
- Suspended canopy assembly6 Oct 2026US 12,753,611 B2
- Roll-up interchangeable tile system6 Oct 2026US 12,753,612 B2
- Panel, covering, and method of uncoupling two interconnected panels6 Oct 2026US 12,753,613 B2i4F Licensing NV
- Mud pan and tape holding device8 Oct 2026US 2026/0305804 A1
- Decorative panel and method to make such decorative panel8 Oct 2026US 2026/0308382 A1Unilin BV
- Panels, method for manufacturing panels, mixture and lacquer8 Oct 2026US 2026/0308391 A1Unilin BV
- Fastening system for wallboard panel8 Oct 2026US 2026/0308915 A1Convergent Ideas LLC
- Flex Clip Panel System (Pheonix Flex)8 Oct 2026US 2026/0308916 A1
Most cited
By later US patents
- Substrate for wallboard joint tape and process for making same802US 10,106,932 B2International Paper Company · 2018
- Floor panel with edge connectors696US 6,006,486 AUnilin Beheer B. V., besloten vennootschap · 1999
- Panel for a composite surface and a method of assembling same631US 4,426,820 A1984
- Veneer panels and method of making523US 5,755,068 A1998
- Snap-together flooring system515US 5,295,341 ANikken Seattle, Inc. · 1994