patentgrep
SearchCompaniesTechnologiesAPIPricingDocs
DocsGet an API key
  1. Technology classes
  2. /F · Mechanical engineering
  3. /F04 · Positive - displacement machines for liquids
  4. /F04D · Non-positive-displacement pumps
  5. /F04D 25/00 · Pumping installations or systems
  6. /F04D 25/02 · Units comprising pumps and their driving means
  7. /F04D 25/08 · The working fluid being air
  8. /F04D 25/084 · Hand fans
  9. /F04D 25/086
F04D 25/086

Hand operated

Official title: {hand operated}

F04D25/086 (Hand operated) appears on 16 US grants and 19 published applications in this corpus.

Search patents in F04D

Where it sits

  1. FMechanical engineering
  2. F04Positive - displacement machines for liquids
  3. F04DNon-positive-displacement pumps
  4. F04D 25/00Pumping installations or systems
  5. F04D 25/02Units comprising pumps and their driving means
  6. F04D 25/08The working fluid being air
  7. F04D 25/084Hand fans
  8. F04D 25/086Hand operated
Granted patents
16
Published applications
19
Assignees
6
Inventors
29
Latest grant
18 Nov 2025

Filings by year

Granted patentsPublished applications
F04D 25/086: granted patents and published applications per publication year
YearGranted patentsPublished applications
200601
200700
200811
200901
201000
201100
201201
201300
201400
201500
201601
201731
201801
201901
202010
202112
202224
202330
202423
202531
202601

200620162026

By publication year. 2026 runs to 8 Oct.

Recent patents

  • Blower18 Nov 2025US 12,473,927 B2Makita Corporation
  • Electric lantern with foldable fan blades26 Aug 2025US 12,398,727 B1
  • Blower22 Apr 2025US 12,281,658 B2Makita Corporation
  • Blower6 Aug 2024US 12,055,158 B2Makita Corporation
  • Blower2 Apr 2024US 11,946,484 B2Makita Corporation
  • Blower12 Feb 2026US 2026/0043415 A1Makita Corporation
  • Electric lantern with foldable fan blades21 Aug 2025US 2025/0264112 A1
  • Blower10 Oct 2024US 2024/0337271 A1Makita Corporation
  • Blower20 Jun 2024US 2024/0200568 A1Makita Corporation
  • Blower4 Jan 2024US 2024/0003360 A1Makita Corporation

Most cited

By later US patents
  • Human graspable propulsion device2US 10,718,344 B22020
  • Expandable hand-held fan having noise making means integrated thereon2US 10,914,309 B12021
  • Electric blower, electric vacuum cleaner, and hand dryer2US 11,333,163 B2Mitsubishi Electric Corporation · 2022
  • Hand crank-powered fan1US 9,677,565 B12017

Top assignees

Documents
  • Makita Corporation11
  • ASAndreas Stihl AG & CO.KG2
  • AAts Corporation2
  • Mitsubishi Electric Corporation2
  • Koki Holdings Co., Ltd.1
  • WMWorld and Main (Cranbury), LLC1

Often classified with

  • A01GHorticulture3
  • A45BWalking sticks3
  • E01HStreet cleaning3
  • F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or3
  • A61LMethods or apparatus for sterilising materials or objects in general2
  • A63CSkates2
  • B60KArrangement or mounting of propulsion units or of transmissions in vehicles2
  • B64CAeroplanes2
  • F02BInternal-combustion piston engines2
  • F04BPositive-displacement machines for liquids2

Documents that also carry the other class.

patentgrep

Search every US patent grant since 1976 and every published application since 2001. Updated weekly from USPTO.

Product

  • Search
  • New this week
  • Where the data comes from
  • Pricing

Browse

  • Companies
  • Technology classes

Developers

  • API docs
  • PatentsView-compatible API
  • MCP server
  • Changelog

About

  • Privacy
  • Terms
© 2026 patentgrepData from USPTO bulk files