Patent Auction lists patented inventions for sale or license

Patent Auction.com is an online marketplace for inventions protected by patent rights. We list patents for sale or license in all fields of industry.

Are you looking for new products, new ideas, new markets ? Feel free to browse through our entire database of patents, starting from the categories below and if you have questions about any specific invention, you can contact the inventor directly through the site.

Are you looking to sell your patent or bring your invention to the next level ? Inventors can list their patented inventions (or patent pending). Listing your patent on Patent Auction is free and very easy. More...

PatentAuction.com (previously known as FreePatentAuction.com) has been providing free patent listings since 2004 and will continue doing so in the future. We are the oldest and largest patent listings platform. We have put in relation thousands of inventors and potential buyers.

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Newly listed patents

Listing created:

 1. Alert flashing light when panic stop
    (33 views)
5 hours ago
Picture for patent available 2. Modern connector by melt aluminium for electric cables
    (41 views)
17 hours ago
 3. Incurable Diseases
    (47 views)
18 hours ago
Picture for patent available 4. Barber Stool/Beautician Stool, first of its kind, Ever!
    (31 views)
20 hours ago
 5. Safely magnetic stamp
    (68 views)
2 days ago
Patent document available 6.  Hole plug system
    (101 views)
2 days ago
Picture for patent available 7. A New Method For Fabricating Electrical Wire Bundles
    (62 views)
2 days ago
Patent document available 8. iRetrofone, Vintage phone with smart phone docking station
    (107 views)
3 days ago
 9. Raining Offers
    (79 views)
3 days ago
Picture for patent available 10. The original cupkeeper
    (83 views)
3 days ago
Picture for patent availablePatent document available 11.  SWAB APPLICATOR AND METHODS OF USE
    (92 views)
3 days ago
Picture for patent availablePatent document available 12. Personal Faceshield for Standard Ballcap
    (81 views)
3 days ago
Picture for patent availablePatent document available 13.  PATENT FOR BROAD MARKET
    (57 views)
4 days ago
Picture for patent availablePatent document available 14. The Faux Pot Planter - Clever Outdoor Decor
    (119 views)
4 days ago
Patent document available 15.  Wireless low noise block down converter (LNB)
    (127 views)
5 days ago


Most viewed patents

Listing created:

Picture for patent available 1. Micro Mirrors Shield Protecting Earth from Global Warming
    (26245 views)
2 years ago
Picture for patent available 2. Automotive Air Flow Tube
    (11123 views)
1 year ago
Picture for patent availablePatent document available 3. Sail venting technology used on BMW Oracle racing Americas Cup
    (9309 views)
3 months ago
Picture for patent availablePatent document available 4.  THE PHYSICS OF PERMANENT MAGNET MOTORS
    (9249 views)
8 months ago
Picture for patent availablePatent document available 5. TIRE-HANDLING DEVICE
    (9102 views)
1 year ago
Picture for patent availablePatent document available 6. CLOTHING IRON HOLDER WITH WATER RESERVOIR
    (8402 views)
1 year ago
Picture for patent available 7. Supercharger Kit for 50cc motorcycle, bike, moped, scooter
    (6817 views)
2 years ago
Picture for patent available 8. FREE COMPRESSION TUBE FOR ROCKETS
    (6606 views)
2 years ago
Patent document available 9. All Jasim patents 8112601, 7780416 Oil, Hackers, windmill, piracy
    (6129 views)
12 months ago
Picture for patent availablePatent document available 10. ECO / GREEN Recyclers Raft swimming pool floats use POP btls
    (5060 views)
2 years ago
Picture for patent availablePatent document available 11. IN A MINUTE,CAN A DOOR BE UPDATED TO A FINGERPRINT UNLOCKED DOOR?
    (5023 views)
7 months ago
Picture for patent availablePatent document available 12. Pet exerciser - Tested for over 10 years! Solid, proven, design.
    (4856 views)
1 year ago
Picture for patent available 13. Billt-Taper Hand held tape dispenser with belt clip w/pricing
    (4148 views)
4 months ago
Picture for patent availablePatent document available 14. BELT CLASP (VARIANTS)
    (4102 views)
2 years ago
Picture for patent available 15. Mechanical protection of electric lines at rime and wind
    (3757 views)
2 years ago
Picture for patent availablePatent document available 16. MR1 - the newly patented DIY-friendly car lift
    (3733 views)
2 years ago
Picture for patent availablePatent document available 17. Toroidal motor and waste heat energy recovery systems
    (3431 views)
11 months ago
Picture for patent availablePatent document available 18. DENTAL FLOSS HOLDER , Flosser
    (3121 views)
2 years ago
Picture for patent availablePatent document available 19. Toothbrush and Toothpaste Holder (Pencil Holder)
    (2956 views)
2 years ago
Picture for patent availablePatent document available 20. The ANY Key
    (2768 views)
2 years ago
Picture for patent availablePatent document available 21. Patented, Remote Controlled, Low Voltage Window Candles
    (2699 views)
2 years ago
Picture for patent availablePatent document available 22. Optical Illusion Wear
    (2570 views)
2 years ago
Picture for patent available 23. Personal cigarette receptacle
    (2564 views)
2 years ago
Picture for patent availablePatent document available 24. New Wheelchair Lift - SUV Driverside
    (2520 views)
2 years ago
Picture for patent availablePatent document available 25.  Concealed Carry --- Trigger SAFETY CLIP
    (2478 views)
1 year ago
Picture for patent availablePatent document available 26. Hi efficiency DIP TUBE for WATER HEATER
    (2362 views)
1 year ago
Picture for patent availablePatent document available 27.  BIOPSY NEEDLE - SOFT TISSUE - END CUTTING
    (2357 views)
1 year ago
Picture for patent availablePatent document available 28.  REVOLVER SAFETY - Selectable Lockable --
    (2144 views)
1 year ago
Picture for patent availablePatent document available 29. APPARATUS FOR CONVERTING WAVE, SOLAR AND WIND ENERGY
    (2030 views)
2 years ago
Picture for patent availablePatent document available 30.  Ultra sonic 3-Diminsional CASTING with COMPOSITES
    (1984 views)
1 year ago
Picture for patent availablePatent document available 31. A GARBAGE BAG & RECYCLE BIN COVER.....new price.
    (1965 views)
2 years ago
Picture for patent available 32. TEJJ Cycle
    (1843 views)
1 year ago
Picture for patent availablePatent document available 33. EzyTote Multi-Purpose Handle
    (1772 views)
2 years ago
Picture for patent availablePatent document available 34. Web-Based Marketplace With Emotion Sensors & Other Hardware
    (1679 views)
2 years ago
Picture for patent available 35. Wristband Remote Controller - Controls Music All In The Wrist!
    (1586 views)
2 years ago