Free Patent Auction lists patented inventions available for sale or licensing. Inventors can list their patented inventions (or patent pending) for sale. New inventions for sale are added on a daily basis !


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Free Patent Auction lists patented inventions available for sale or license

Are you looking for new products, new ideas, new markets ?
Free Patent Auction lists numerous innovative ideas protected by patent which are available for sale or license.
The broad range of inventions for sale touches upon all fields of industry.
You can freely browse through our entire catalog, starting from the menu on the left.
If you have questions about any specific invention, you can contact the inventor directly through this website.

Do not miss any opportunity, subscribe to our free newsletter to be informed about new inventions for sale listed on the FreePatentAuction.

Inventors can list their patented inventions (or patent pending) for free.
We encourage inventors from all countries to submit their inventions, provided that they have applied for patent protection.
Listing your patent on Free Patent Auction is very easy and completely free. More...

FreePatentAuction has been providing free patent listings since 2004 and, since then, has become one of the major online marketplaces for patented inventions.

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Join us and become part of this new community of inventors. Be the first to post a message : share your experience or ask questions. Click here...

Featured invention
An Electromagnetic Memristor

Patent for sale.

Newly listed patents

Current Price :
Picture for patent available 1. Lectern/Podium
    (7 views)		+ 1 Million $
Picture for patent available 2. Pontoon Boat Accessory - Safer Boating
    (6 views)		5,000 $
Picture for patent available 3. GET a FREE SAMPLE Foot Care Sell to military & make millions
    (5 views)		To be negotiated
 4. Continuous process for the synthesis of sucrose fatty acid e
    (8 views)		To be negotiated
 5. Helps your livestock to grow better & healthy and you save $
    (10 views)		+ 1 Million €
 6. Security Mailbox With Outgoing Mail Pocket
    (13 views)		To be negotiated
 7. A METHOD FOR EARLY DETECTION OF CANCER
    (48 views)		To be negotiated
 8. Dr B's wrist support
    (39 views)		To be negotiated
Picture for patent available 9. Variable Volume Reservoir (VVR) for fluid power applications
    (55 views)		900,000 $
 10. Grip-EEZ Reusable Container Holder - patented
    (43 views)		To be negotiated
 11. Revolutionary, eco-friendly drive & braking system
    (52 views)		To be negotiated
 12. Safetyhook Rafter Hook
    (45 views)		To be negotiated
Picture for patent available 13.  *US & UK Patents* Office/Construction/Project/Plan Table
    (60 views)		375,000 $
 14. Dot-See-Lites
    (50 views)		To be negotiated
 15. Multi-fuctional convertible recumbent
    (53 views)		To be negotiated


Most viewed patents

Current Price :
Picture for patent available 1. Multi-positional Sexual Intercourse Chair
    (53001 views)		To be negotiated
Picture for patent available 2. ELECTRIC SKATEBOARD AND GAS SKATEBOARD
    (12258 views)		+ 1 Million $
Picture for patent available 3. ROBOT OF BOOBS MASSAGE ( Sell breast massage robot )
    (11234 views)		To be negotiated
Picture for patent available 4. HIGH TECH LOW RPM GENERATOR FOR ALL (see links & videos)
    (7777 views)		To be negotiated
Picture for patent available 5. Miracle windmill generate power even if wind near standstill
    (7158 views)		To be negotiated
Picture for patent available 6. FREE ELECTRIC ENERGY !!! SEA - WAVE GENERATOR !!!
    (5434 views)		To be negotiated
Picture for patent available 7. DRYWALL (DIMPLER) TOOL! Multi-Million Dollar Possibilities!!
    (4830 views)		250,000 $
Picture for patent available 8. Incredible Windmill:Dirt-cheap Energy, Evade Global Warming
    (4115 views)		To be negotiated
Picture for patent available 9. Garage Loft Platform Storage System
    (4091 views)		50,000 $
Picture for patent available 10. SMART PULLEY variable speed drive / automotive transmission
    (3997 views)		To be negotiated
Picture for patent available 11. Paragen - Benzyl phenyl ether compounds
    (3778 views)		To be negotiated
Picture for patent available 12. Dolphinwave Shoulder Rest, violin/viola/music accessory
    (3698 views)		To be negotiated
Picture for patent available 13. TOOTHPASTE DISPENSING TOOTHBRUSH
    (3467 views)		To be negotiated
Picture for patent available 14. ring
    (3059 views)		To be negotiated
Picture for patent available 15. Recyclers Raft ECO style swimming pool float toy usePOP btls
    (3052 views)		To be negotiated
Picture for patent available 16. Kalashnikov (AK-47) Last Round Hold Open Kit
    (3017 views)		To be negotiated
Picture for patent available 17. The Sexy Puff! new Bean bag chair
    (2691 views)		500,000 €
Picture for patent available 18. Superengine powered car runs over 200 miles per gallon.
    (2509 views)		To be negotiated
Picture for patent available 19. Dog Zip Line and Portable/Adjustable Dog Run for All Sizes
    (2432 views)		50,000 $
Picture for patent available 20. Receipt Card Systems, Consumer Electronic Receipt Archiving
    (2421 views)		To be negotiated
 21. Safety Hinge for Lid of a Toybox
    (2379 views)		To be negotiated
Picture for patent available 22. BABY * BOTTLE * BUDDY..........................WOWMOM
    (2338 views)		77,777 $
Picture for patent available 23. Folding Boat Trailer
    (2327 views)		To be negotiated
Picture for patent available 24. The Feed n’ Play™ Two-Seater High Chair (NEW! Now 2 prices)
    (2273 views)		95,000 $
Picture for patent available 25. SNOWMOBILE-ALTERNATIVE THROTTLE LEVER
    (2182 views)		100,000 $
Picture for patent available 26. RVL-100 Snowmobile and ATV Lift and Carrier
    (2044 views)		50,000 $
Picture for patent available 27. skimskate/skimboard-hot boardsport-4 prototypes included.
    (2019 views)		29,000 $
Picture for patent available 28. Genius for sale-- see photo of product
    (2004 views)		To be negotiated
 29. Lottery!!! Mathematical model Probability Reduction
    (1958 views)		100 $
 30. turpentine steam distillation in proximity of formaldehyde
    (1917 views)		To be negotiated
 31. automatic horse feeder
    (1893 views)		To be negotiated
 32. Home Pap Smear Kit
    (1878 views)		To be negotiated
Picture for patent available 33. Jet Ski Boat
    (1815 views)		100,000 $
 34. turpentine steam distillation in proximity of ethylene
    (1724 views)		To be negotiated
Picture for patent available 35. Denture Repair Kit
    (1720 views)		+ 1 Million $

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