Recently Expired Patents
Recently expired US patents from the last 30 days. Expired patents enter the public domain and may be freely used. Updated daily via USPTO data.
Diffractive grating member and optical communication module
Airbag and airbag apparatus
Universal holding frame for certain drill accessories
Forwardly movable vehicle seat with an underframe and a forwardly foldable seat back
Small game gambrel
Control apparatus for controlling driving device of vehicle
Expandable animal kennel
Self positioning filter assembly
Apparatus for scum removal
Theft prevention system for motorcycle
Routing table for forwarding Internet Protocol (IP) packets through a communications network
Synchronous motor control method and synchronous motor control system
Hand washing alert system
Food metering and dispensing device
Heating element movement bonding method for semiconductor components
Iron-based sintered alloy with dispersed hard particles
Starting method for Hall-less single-phase BLDCM
Process cartridge and image forming apparatus
Forming discrete regions of molten resin
Keypad assembly for portable terminal
Balanced valve
Wire clamping plate
Heating cable guide strip for electric radiant floor heating and method of use
Peripheral voltage generator
Image forming apparatus
Bag with caster wheels
Ophthalmologic analysis system
Method for treating athlete's foot
Moving object detection system
Detection systems and methods
Field adjustable bridge crane block
Card connector
Method for operating a rotating electrical machine
ID-OD discrimination sensor
Differential input receiver having over-voltage protection
Spectroscope and microspectroscope equipped therewith
Method for processing transparent material, apparatus for processing the same and optical function device
Method for recalibrating a material attribute monitor for a mobile vehicle
Method for fabricating hafnia films
Bucket brace and method for use
Epoxy resin composition for semiconductor encapsulation, semiconductor device using the same, and process for producing semiconductor device
Verbena plant named ‘Duefarvio’
Verbena plant named ‘Duefarsopi’
Sutera plant named ‘Danova906’
Sutera plant named ‘Danova900’
Sutera plant named ‘Bushy White’
Verbena plant named ‘Duefarpur’
Verbena plant named ‘Duefarred’
Verbena plant named ‘Duefarhoro’
Verbena plant named ‘Duefarburg’