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:

Picture for patent availablePatent document available 1.  Automatic Pitch Turbine
    (0 views)
24 minutes ago
Picture for patent availablePatent document available 2.  METHOD AND APPARATUS FOR EXERCISE DEVICE
    (52 views)
14 hours ago
Picture for patent availablePatent document available 3. INNOVATION
    (45 views)
1 day ago
Picture for patent availablePatent document available 4. FREE ENERGY CELULAR
    (48 views)
1 day ago
Picture for patent available 5. Project Twylyte Pant Leg Reconstruction
    (87 views)
3 days ago
Picture for patent availablePatent document available 6. Glow In The Dark Pet Strap, ( LUMINOUS: pet collar )
    (72 views)
3 days ago
Picture for patent availablePatent document available 7.  SUNSHADE FOR HEAD PROTECTION DURING SUNBATH
    (89 views)
3 days ago
Picture for patent availablePatent document available 8.  Finger splaying glove
    (146 views)
3 days ago
Picture for patent available 9. System for Attracting Fish
    (124 views)
4 days ago
Patent document available 10.  Personal hygiene cleansing and irrigation device
    (141 views)
4 days ago
Patent document available 11.  Articulating toothbrush
    (139 views)
4 days ago
Patent document available 12.  Dental floss
    (126 views)
4 days ago
Picture for patent availablePatent document available 13.  Chemical pigging apparatus for pipelines
    (134 views)
4 days ago
 14. KNUCKLE SPLASHER '1'
    (73 views)
4 days ago
Patent document available 15. CITADEL CAR ALARMS; HOMES; BUSINESS, ETC.,
    (66 views)
4 days ago


Most viewed patents

Listing created:

Picture for patent available 1. Micro Mirrors Shield Protecting Earth from Global Warming
    (27640 views)
2 years ago
Picture for patent available 2. Automotive Air Flow Tube
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1 year ago
Picture for patent availablePatent document available 3. Sail venting technology used on BMW Oracle racing Americas Cup
    (10573 views)
5 months ago
Picture for patent availablePatent document available 4. TIRE-HANDLING DEVICE
    (10368 views)
1 year ago
Picture for patent availablePatent document available 5.  THE PHYSICS OF PERMANENT MAGNET MOTORS
    (9691 views)
10 months ago
Picture for patent availablePatent document available 6. CLOTHING IRON HOLDER WITH WATER RESERVOIR
    (9414 views)
1 year ago
Picture for patent available 7. Supercharger Kit for 50cc motorcycle, bike, moped, scooter
    (7644 views)
2 years ago
Picture for patent available 8. FREE COMPRESSION TUBE FOR ROCKETS
    (6973 views)
2 years ago
Patent document available 9. All Jasim patents 8112601, 7780416 Oil, Hackers, windmill, piracy
    (6479 views)
1 year ago
Picture for patent availablePatent document available 10. Pet exerciser - Tested for over 10 years! Solid, proven, design.
    (6146 views)
2 years ago
Picture for patent availablePatent document available 11. IN A MINUTE,CAN A DOOR BE UPDATED TO A FINGERPRINT UNLOCKED DOOR?
    (5522 views)
8 months ago
Picture for patent availablePatent document available 12. Toroidal motor and waste heat energy recovery systems
    (4684 views)
1 year ago
Picture for patent availablePatent document available 13. BELT CLASP (VARIANTS)
    (4543 views)
2 years ago
Picture for patent available 14. Billt-Taper Hand held tape dispenser with belt clip w/pricing
    (4398 views)
6 months ago
Picture for patent availablePatent document available 15. MR1 - the newly patented DIY-friendly car lift
    (4164 views)
2 years ago
Picture for patent availablePatent document available 16. DENTAL FLOSS HOLDER , Flosser
    (3502 views)
2 years ago
Picture for patent availablePatent document available 17. The ANY Key
    (3170 views)
2 years ago
Picture for patent availablePatent document available 18. Patented, Remote Controlled, Low Voltage Window Candles
    (3014 views)
2 years ago
Picture for patent availablePatent document available 19. Optical Illusion Wear
    (2897 views)
2 years ago
Picture for patent available 20. Personal cigarette receptacle
    (2798 views)
2 years ago
Picture for patent availablePatent document available 21.  Concealed Carry --- Trigger SAFETY CLIP
    (2748 views)
1 year ago
Picture for patent availablePatent document available 22.  BIOPSY NEEDLE - SOFT TISSUE - END CUTTING
    (2595 views)
1 year ago
Picture for patent availablePatent document available 23. Hi efficiency DIP TUBE for WATER HEATER
    (2572 views)
1 year ago
Picture for patent available 24. Water produced by the new method ,Cheap Price ,Suitable for use
    (2484 views)
2 weeks ago
Picture for patent availablePatent document available 25.  REVOLVER SAFETY - Selectable Lockable --
    (2368 views)
1 year ago
Picture for patent availablePatent document available 26. A GARBAGE BAG & RECYCLE BIN COVER................new price.
    (2275 views)
2 years ago
Picture for patent availablePatent document available 27.  Ultra sonic 3-Diminsional CASTING with COMPOSITES
    (2167 views)
1 year ago
Picture for patent available 28. TEJJ Cycle
    (2054 views)
1 year ago
Picture for patent available 29. Wristband Remote Controller - Controls Music All In The Wrist!
    (1861 views)
2 years ago
Picture for patent available 30. IDOL ENERGY - idolmotor
    (1838 views)
1 year ago
Picture for patent availablePatent document available 31. Paint Trim Tray with Brush Bar
    (1821 views)
2 years ago
Picture for patent availablePatent document available 32. A recycling holder that uses and reuses bags to sort items
    (1816 views)
2 years ago
Picture for patent availablePatent document available 33. EASY Solution for Women with Thin Hair - It's BETTER Than a WIG!
    (1757 views)
2 years ago
Picture for patent available 34. M.A.DI - 82MQ OF LIVABLE SPACE IN JUST 4 HOURS
    (1728 views)
2 years ago
Picture for patent available 35. FREQUENCY TUNABLE - ACOUSTIC INSULATION --
    (1660 views)
1 year ago