Public Domain · US Patents

A library of
public-domain US patents

A curated collection of US consumer-product patents that have entered the public domain through term expiry or maintenance-fee lapse. Each entry's legal status is individually verified, with sources cited, and presented as a standalone reference page.

Status verified per patent Sources cited Free to browse
Public domain · Term expiredUS-9943188-B2

Food cooker

Charcoal cooker · even top/bottom heat

Legal statusExpired — Lifetime
Filed / Granted2005-03-03 / 2018-04-17
Verified againstUSPTO legal events
View patent details →
22Verified · public-domain patents
OriginalTitle, abstract & figures compiled
Per-patentLegal status verified · sources cited
FreeBrowse and search · no charge
About

Public patent information, organized for reference

For researchers, product and design teams: we compile patents that have entered the public domain and verify the current legal status of each.

Original, compiled

Each patent's title, abstract, figures and legal status are compiled from public patent documents into a single standalone page — no jumping between databases.

Verified per patent

Every entry's current legal status is checked individually — term-expired, fee-lapsed, or still active — with the supporting record cited. No blanket estimates.

Open, citable sources

All information comes from USPTO public data and public patent records, with sources attached so it can be verified and cited. Free to browse, no paywall.

Latest

First verified public-domain patents

A first set of US consumer-product patents confirmed, one by one, to have entered the public domain. Status reflects verification against public records; click any entry for full details.

KitchenwareBathTableware & HomeContainersCleaningSeating & BedsBags & Storage
Public domain · Term expired

Food cooker

US-9943188-B2

Category KitchenwareGranted 2018
US-9943188-B2View details →
Public domain · Term expired

Bathtub table

US-10506898-B2

Category Bath & SanitaryGranted 2019
US-10506898-B2View details →
Public domain · Fee lapsed

Suspended fluid dispenser system and apparatus

US-9462917-B2

Category Bath & SanitaryGranted 2016
US-9462917-B2View details →
Public domain · Fee lapsed

Beverage container with removable top

US-9414699-B2

Category Tableware & HomeGranted 2016
US-9414699-B2View details →
Public domain · Term expired

Floor matting

US-10390647-B2

Category Tableware & HomeGranted 2019
US-10390647-B2View details →
Public domain · Fee lapsed

Shipping container

US-10370142-B2

Category Containers & PackagingGranted 2019
US-10370142-B2View details →
Public domain · Term expired

Stackable molded cap

US-10071835-B1

Category Containers & PackagingGranted 2018
US-10071835-B1View details →
Public domain · Fee lapsed

Heating bag for bakery products

US-9781987-B2

Category 箱包Granted 2017
US-9781987-B2View details →
Public domain · Fee lapsed

Domestic cleaning appliance

US-9999331-B2

Category CleaningGranted 2018
US-9999331-B2View details →
Public domain · Fee lapsed

Household appliance with adjustment mechanism for the door weight compensation device

US-9826883-B2

Category CleaningGranted 2017
US-9826883-B2View details →
Public domain · Term expired

Mattress with crowned panel

US-11259647-B2

Category Seating & BedsGranted 2022
US-11259647-B2View details →
Public domain · Fee lapsed

Inflatable cushioning device with manifold system

US-10357114-B2

Category Seating & BedsGranted 2019
US-10357114-B2View details →
Public domain · Fee lapsed

Activity and storage case

US-8678217-B2

Category 箱包Granted 2014
US-8678217-B2View details →
Public domain · Fee lapsed

Device for accommodating objects, trolley, method for manufacturing a trolley, as well as transport means

US-9033278-B2

Category FurnitureGranted 2015
US-9033278-B2View details →
Public domain · Fee lapsed

Method and apparatus for environmental control according to perceived temperature

US-9078400-B2

Category GardeningGranted 2015
US-9078400-B2View details →
Public domain · Fee lapsed

Planting of plant material

US-8938910-B2

Category GardeningGranted 2015
US-8938910-B2View details →
Public domain · Fee lapsed

Upright note holder

US-8668095-B2

Category StationeryGranted 2014
US-8668095-B2View details →
Public domain · Fee lapsed

Illuminated clipboard and method of use

US-8591055-B2

Category StationeryGranted 2013
US-8591055-B2View details →
Public domain · Fee lapsed

Soft close ring binder mechanism with mating ring tips

US-8573876-B2

Category StationeryGranted 2013
US-8573876-B2View details →
Public domain · Fee lapsed

Interactive play device and method

US-9868072-B2

Category ToysGranted 2018
US-9868072-B2View details →
Public domain · Fee lapsed

Electronics toy play set

US-9457281-B1

Category ToysGranted 2016
US-9457281-B1View details →
Public domain · Term expired

Twilight device

US-9114326-B2

Category ToysGranted 2015
US-9114326-B2View details →
Notice

For reference only, not legal advice

Patent legal status can change with fee payments, reinstatement or litigation; public-domain status is also affected by patent families and jurisdiction. Please note the following before use.

A verification result, not a legal conclusionLegal status is verified against public records and may change due to fee reinstatement, family members or jurisdiction; the official record governs.
Obtain FTO clearance before useBefore any make, use, or sell decision, obtain a Freedom-to-Operate clearance from a qualified patent attorney.
Expired ≠ free to make and sellDesign, trademark, packaging and other still-active patents may restrict use; each must be assessed separately.
Public information onlyAll content is drawn from public data and public patent records — verifiable, not exaggerated. We accept no liability for reliance on it.