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. Treatment for psoriasis and eczema, ulcer and burns
    (65 views)
10 hours ago
Picture for patent available 2. Idea Ships provisional patent
    (49 views)
12 hours ago
Picture for patent available 3. Solar-wind desalter
    (48 views)
24 hours ago
Picture for patent available 4. Saling wind wheel
    (50 views)
24 hours ago
Picture for patent availablePatent document available 5. Low profile oil drain cart
    (111 views)
1 day ago
Picture for patent availablePatent document available 6. Kéfir Drinks
    (78 views)
1 day ago
Picture for patent available 7.  Visor to protect the windshield
    (71 views)
1 day ago
Picture for patent availablePatent document available 8. Natural gel Diabetic foot
    (72 views)
1 day ago
Picture for patent available 9. Mobility in Cooking Digi Cooktop
    (69 views)
1 day ago
Patent document available 10.  Emergency Notification System for Mobile Devices
    (92 views)
2 days ago
Patent document available 11.  Notification and Tracking System for Mobile Devices
    (93 views)
2 days ago
Picture for patent available 12. Detachable motorunit
    (82 views)
2 days ago
 13. the u-walk
    (101 views)
2 days ago
Patent document available 14. Bath Water Reused Device
    (118 views)
2 days ago
Picture for patent availablePatent document available 15.  Shoe with cushioning and speed enhancement midsole components
    (131 views)
3 days ago


Most viewed patents

Listing created:

Picture for patent availablePatent document available 1. Sail venting technology used on BMW Oracle racing Americas Cup
    (17351 views)
10 months ago
Picture for patent available 2. Automotive Air Flow Tube
    (16299 views)
2 years ago
Picture for patent availablePatent document available 3. TIRE-HANDLING DEVICE
    (14428 views)
2 years ago
Picture for patent availablePatent document available 4. CLOTHING IRON HOLDER WITH WATER RESERVOIR
    (12546 views)
2 years ago
Picture for patent availablePatent document available 5.  THE PHYSICS OF PERMANENT MAGNET MOTORS
    (11317 views)
1 year ago
Picture for patent availablePatent document available 6. Pet exerciser - Tested for over 10 years! Solid, proven, design.
    (9763 views)
2 years ago
Patent document available 7. All Jasim patents 8112601, 7780416 Oil, Hackers, windmill, piracy
    (8201 views)
2 years ago
Picture for patent availablePatent document available 8. Toroidal motor and waste heat energy recovery systems
    (5875 views)
1 year ago
Picture for patent available 9. Billt-Taper Hand held tape dispenser with belt clip w/pricing
    (5319 views)
10 months ago
Picture for patent availablePatent document available 10.  Concealed Carry --- Trigger SAFETY CLIP
    (3903 views)
2 years ago
Picture for patent availablePatent document available 11.  BIOPSY NEEDLE - SOFT TISSUE - END CUTTING
    (3573 views)
2 years ago
Picture for patent available 12. Water produced by the new method ,Cheap Price ,Suitable for use
    (3469 views)
5 months ago
Picture for patent availablePatent document available 13. Hi efficiency DIP TUBE for WATER HEATER
    (3445 views)
2 years ago
Picture for patent availablePatent document available 14.  REVOLVER SAFETY - Selectable Lockable --
    (3316 views)
2 years ago
Picture for patent available 15. IDOL ENERGY - idolmotor
    (3075 views)
2 years ago
Picture for patent availablePatent document available 16.  Ultra sonic 3-Diminsional CASTING with COMPOSITES
    (2975 views)
2 years ago
Picture for patent availablePatent document available 17. Paint Trim Tray with Brush Bar
    (2968 views)
2 years ago
Picture for patent available 18. TEJJ Cycle
    (2856 views)
2 years ago
Picture for patent availablePatent document available 19. Ladder caddy
    (2734 views)
2 years ago
Picture for patent available 20.  Extend-A-Bibs patent pending truly millennium!
    (2639 views)
7 months ago
Picture for patent availablePatent document available 21. Air Hydropower - new huge global resource of energy & water
    (2601 views)
1 year ago
Picture for patent available 22. A continuous track pillow benefits both users and manufacturers
    (2525 views)
1 year ago
Picture for patent availablePatent document available 23. Firearm SILENCER
    (2485 views)
2 years ago
Picture for patent availablePatent document available 24. BLAST AND BALLISTIC PROTECTION APPARATUS
    (2472 views)
2 years ago
Picture for patent availablePatent document available 25. Salt Shaker dispenses from bottom keeping product moisture free
    (2467 views)
2 years ago
Picture for patent available 26. FREQUENCY TUNABLE - ACOUSTIC INSULATION --
    (2402 views)
2 years ago
Picture for patent available 27. Bottle Closure Cap Dispensing Technology
    (2235 views)
2 years ago
Picture for patent availablePatent document available 28. nVolt(TM), a self-sustaining, rotational, cellphone charger.
    (2224 views)
2 years ago
Picture for patent availablePatent document available 29. SECTIONAL FOLDING UP GARAGE DOOR
    (2173 views)
2 years ago
Picture for patent available 30.  AMINO FUSION chewing gum
    (2172 views)
2 years ago
Picture for patent available 31. Amazing Inventions & Business Ideas for Sale
    (2162 views)
2 years ago
Picture for patent availablePatent document available 32. BEVERAGE CONTAINER BELT
    (1967 views)
2 years ago
Picture for patent availablePatent document available 33. Vehicle Hitch Kegorater - Tailkegger
    (1918 views)
2 years ago
Picture for patent availablePatent document available 34. Trailer Hitch MOTORCYCLE TOWING
    (1832 views)
2 years ago
Picture for patent availablePatent document available 35. ENERGY RE-CLAIMER
    (1718 views)
2 years ago





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