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:

Patent document available 1. HEMORRHOID RELIEF
    (34 views)
1 day ago
Picture for patent availablePatent document available 2. Panorama 5.1 Channel H/T Sound Bar Speaker Design
    (60 views)
1 day ago
Picture for patent availablePatent document available 3. PATENT FOR ENTREPRENEURS
    (34 views)
1 day ago
Picture for patent availablePatent document available 4. Laptop Battery Charger Motion (video)
    (39 views)
1 day ago
Picture for patent availablePatent document available 5. INNOVATION
    (33 views)
1 day ago
Picture for patent available 6. COVER WITH EYE CUP FOR CELLPHONES
    (48 views)
2 days ago
Patent document available 7.  Male incontinence garment
    (85 views)
2 days ago
Picture for patent availablePatent document available 8. Receipt Card Systems, Consumer Electronic Receipt Archiving
    (67 views)
2 days ago
Picture for patent available 9.  LID WITH Collapsible Stirrer !!!!
    (61 views)
2 days ago
Picture for patent available 10. Gaze-Based Method To Predict User Intention For Mobile App.
    (77 views)
3 days ago
Picture for patent available 11. 3D Autostereoscopic Display System
    (69 views)
3 days ago
Picture for patent available 12. Haptic Stylus Pen
    (71 views)
3 days ago
Picture for patent availablePatent document available 13. Hydrogel and Aerogel Based Controlled Drug Delivery Technology
    (101 views)
3 days ago
Patent document available 14. Emergency home signaling device
    (57 views)
3 days ago
Picture for patent available 15. Virtual Reality Mat
    (80 views)
3 days ago


Most viewed patents

Listing created:

Picture for patent available 1. Micro Mirrors Shield Protecting Earth from Global Warming
    (25678 views)
2 years ago
Picture for patent available 2. Automotive Air Flow Tube
    (10644 views)
1 year ago
Picture for patent availablePatent document available 3.  THE PHYSICS OF PERMANENT MAGNET MOTORS
    (9020 views)
8 months ago
Picture for patent availablePatent document available 4. TIRE-HANDLING DEVICE
    (8659 views)
1 year ago
Picture for patent availablePatent document available 5. CLOTHING IRON HOLDER WITH WATER RESERVOIR
    (8094 views)
1 year ago
Picture for patent availablePatent document available 6. Sail venting technology used on BMW Oracle racing Americas Cup
    (6496 views)
3 months ago
Picture for patent available 7. Supercharger Kit for 50cc motorcycle, bike, moped, scooter
    (6451 views)
2 years ago
Picture for patent available 8. FREE COMPRESSION TUBE FOR ROCKETS
    (6425 views)
2 years ago
Patent document available 9. All Jasim patents 8112601, 7780416 Oil, Hackers, windmill, piracy
    (5957 views)
11 months ago
Picture for patent availablePatent document available 10. ECO / GREEN Recyclers Raft swimming pool floats use POP btls
    (4930 views)
2 years ago
Picture for patent availablePatent document available 11. IN A MINUTE,CAN A DOOR BE UPDATED TO A FINGERPRINT UNLOCKED DOOR?
    (4741 views)
6 months ago
Picture for patent availablePatent document available 12. Pet exerciser - Tested for over 10 years! Solid, proven, design.
    (4598 views)
1 year ago
Picture for patent available 13. Billt-Taper Hand held tape dispenser with belt clip w/pricing
    (4033 views)
4 months ago
Picture for patent availablePatent document available 14. BELT CLASP (VARIANTS)
    (3911 views)
2 years ago
Picture for patent available 15. Protection ground electrodes
    (3794 views)
2 years ago
Picture for patent available 16. Mechanical protection of electric lines at rime and wind
    (3651 views)
2 years ago
Picture for patent availablePatent document available 17. MR1 - the newly patented DIY-friendly car lift
    (3559 views)
2 years ago
Picture for patent availablePatent document available 18. Toroidal motor and waste heat energy recovery systems
    (3206 views)
10 months ago
Picture for patent availablePatent document available 19. DENTAL FLOSS HOLDER , Flosser
    (2983 views)
2 years ago
Picture for patent availablePatent document available 20. Toothbrush and Toothpaste Holder (Pencil Holder)
    (2816 views)
2 years ago
Picture for patent availablePatent document available 21. The ANY Key
    (2606 views)
2 years ago
Picture for patent availablePatent document available 22. Patented, Remote Controlled, Low Voltage Window Candles
    (2569 views)
2 years ago
Picture for patent available 23. Personal cigarette receptacle
    (2458 views)
2 years ago
Picture for patent availablePatent document available 24. Optical Illusion Wear
    (2428 views)
2 years ago
Picture for patent availablePatent document available 25. New Wheelchair Lift - SUV Driverside
    (2381 views)
2 years ago
Picture for patent availablePatent document available 26.  Concealed Carry --- Trigger SAFETY CLIP
    (2355 views)
1 year ago
Picture for patent available 27. Modern connector by melt aluminium for electric cables
    (2267 views)
2 years ago
Picture for patent availablePatent document available 28. Hi efficiency DIP TUBE for WATER HEATER
    (2262 views)
1 year ago
Picture for patent availablePatent document available 29.  BIOPSY NEEDLE - SOFT TISSUE - END CUTTING
    (2241 views)
1 year ago
Picture for patent availablePatent document available 30.  REVOLVER SAFETY - Selectable Lockable --
    (2042 views)
1 year ago
Picture for patent availablePatent document available 31. APPARATUS FOR CONVERTING WAVE, SOLAR AND WIND ENERGY
    (1895 views)
2 years ago
Picture for patent availablePatent document available 32.  Ultra sonic 3-Diminsional CASTING with COMPOSITES
    (1887 views)
1 year ago
Picture for patent availablePatent document available 33. A GARBAGE BAG & RECYCLE BIN COVER.....new price.
    (1804 views)
2 years ago
Picture for patent available 34. TEJJ Cycle
    (1746 views)
1 year ago
Picture for patent availablePatent document available 35. EzyTote Multi-Purpose Handle
    (1647 views)
2 years ago