F16
Engineering elements and units
Official title: Engineering elements and units; general measures for producing and maintaining effective functioning of machines or installations; thermal insulation in general
F16 (Engineering elements and units) appears on 329,797 US grants and 270,331 published applications in this corpus.
Search patents in F16- Granted patents
- 329,797
- Published applications
- 270,331
- Assignees
- 64,071
- Inventors
- 403,510
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3800 | 0 |
| 1977 | 3443 | 0 |
| 1978 | 3658 | 0 |
| 1979 | 2398 | 0 |
| 1980 | 3416 | 0 |
| 1981 | 3675 | 0 |
| 1982 | 3054 | 0 |
| 1983 | 2820 | 0 |
| 1984 | 3800 | 0 |
| 1985 | 4163 | 0 |
| 1986 | 4251 | 0 |
| 1987 | 5074 | 0 |
| 1988 | 4356 | 0 |
| 1989 | 5316 | 0 |
| 1990 | 4865 | 0 |
| 1991 | 5119 | 0 |
| 1992 | 5056 | 0 |
| 1993 | 4652 | 0 |
| 1994 | 4672 | 0 |
| 1995 | 4409 | 0 |
| 1996 | 4776 | 0 |
| 1997 | 4669 | 0 |
| 1998 | 5712 | 0 |
| 1999 | 6013 | 0 |
| 2000 | 6309 | 0 |
| 2001 | 6403 | 1956 |
| 2002 | 6488 | 6170 |
| 2003 | 6081 | 7022 |
| 2004 | 5646 | 8396 |
| 2005 | 5022 | 8412 |
| 2006 | 5485 | 8315 |
| 2007 | 4676 | 8311 |
| 2008 | 4345 | 9134 |
| 2009 | 4411 | 9084 |
| 2010 | 5736 | 9609 |
| 2011 | 5958 | 9452 |
| 2012 | 7239 | 9468 |
| 2013 | 8115 | 11239 |
| 2014 | 9106 | 12297 |
| 2015 | 10412 | 13739 |
| 2016 | 10774 | 14337 |
| 2017 | 12227 | 14685 |
| 2018 | 11933 | 15085 |
| 2019 | 14146 | 15115 |
| 2020 | 13833 | 14795 |
| 2021 | 12371 | 13070 |
| 2022 | 11673 | 12052 |
| 2023 | 10985 | 11103 |
| 2024 | 11007 | 10986 |
| 2025 | 9932 | 9521 |
| 2026 | 6317 | 6978 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subclasses
Granted patents
- F16HGearing67,081
- F16LPipes49,109
- F16KValves45,478
- F16DCouplings for transmitting rotation42,419
- F16BDevices for fastening or securing constructional elements or machine parts together42,051
- F16CShafts40,508
- F16FSprings26,607
- F16JPistons19,859
All 14 subclassesShow fewer
- F16MFrames, casings or beds of engines, machines or apparatus, not specific to19,001
- F16GBelts, cables, or ropes, predominantly used for driving purposes6,799
- F16NLubricating4,894
- F16PSafety devices in general2,122
- F16TSteam traps or like apparatus for draining-off liquids from enclosures predominantly containing486
- F16SConstructional elements in general103
Recent patents
- Portable hunting blind base and accessories therefor, including a wheeled arrangement6 Oct 2026US 12,751,445 B2
- Aerosol generation device comprising a thermal insulation wall and associated assembly method6 Oct 2026US 12,751,487 B2JT International SA
- Central vacuum system and inlet valves therefor6 Oct 2026US 12,751,587 B2H-P Products, Inc.
- Thermal bimetal actuators for use in non-magnetic medical devices6 Oct 2026US 12,751,623 B2Koninklijke Philips N. V.
- Bending machine and method for processing a workpiece by means of a bending machine6 Oct 2026US 12,752,333 B2EVOBEND GmbH
- Removably mounted plow for elongated tubular materials8 Oct 2026US 2026/0305511 A1Roberts Welding & Fabricating Ltd.
- Over-the-door wreath hook that prevents a decorative item from being stolen or unsecured8 Oct 2026US 2026/0305537 A1
- Repellent delivery device with glycerin soap body and related methods8 Oct 2026US 2026/0305541 A1Radical AG Tech, Inc.
- Ice fishing electronics integration assembly8 Oct 2026US 2026/0305591 A1Wild Wing Woodworks LLC DBA Wild Wing Products
- Adjustable wide waist belt connecting tray for mess-free eating8 Oct 2026US 2026/0305815 A1
Most cited
By later US patents
- Endoscopic surgical instrument and staples for applying purse string sutures2,477US 5,484,451 AEthicon, Inc. · 1996
- Surgical instrument and staples for applying purse string sutures2,405US 5,242,457 AEthicon, Inc. · 1993
- Endoscopic surgical instrument and staples for applying purse string sutures2,167US 5,573,543 AEthicon, Inc. · 1996
- Flexible, articulable column2,006US 5,348,259 AMassachusetts Institute of Technology · 1994
- Medical instrument and coupling apparatus for same1,974US 5,464,300 A1995