Patent Auction lists patented inventions available for sale or license
Are you looking for new products, new ideas, new markets ?
Patent Auction.com is an online marketplace for innovative ideas protected by patent rights.
The broad range of inventions for sale or license touches upon all fields of industry.
You can freely browse through our entire database, starting from the categories below.
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 Patent Auction is very easy and completely free. More...
PatentAuction.com was previously known as "FreePatentAuction.com" and has been providing free patent listings since 2004.
Patent Categories
|
|
|
| ||
Newly listed patents |
Current price: |
Created: |
|
| 1. E-Z Ramp Adjustable modular handicap ramp system (14 views) | To be negotiated | 1 day ago | |
| 2. New Clean Energy Storage Sytem (15 views) | To be negotiated | 1 day ago | |
| 3. Rotary Engine DMM De Moura Motor (19 views) | To be negotiated | 1 day ago | |
| 4. condom companies can increase sale through my idea (17 views) | To be negotiated | 2 days ago | |
| 5. Hands Free Toilet Seat & Lid lifter & closer= F.O.O.T.S.I. (16 views) | To be negotiated | 2 days ago | |
| 6. Nursing Home Visitation (12 views) | 275,000 $ | 2 days ago | |
 | 7. Luvee Mother and Baby Pillow w/ SAFETY DEVICE (23 views) | 750,000 $ | 3 days ago |
| 8. wind turbine, design patent, utility patent ,other patents (27 views) | To be negotiated | 3 days ago |
| 9. Infrasounds, 3D vibration, non-lethal acoustic weapon protec (11 views) | To be negotiated | 3 days ago | |
| 10. Green patent saves kwatts eco-friendly (34 views) | 8,000 $ | 3 days ago |
| 11. Sneaker Skinz (34 views) | + 1 Million $ | 4 days ago | |
| 12. quick connect, disconnect shakle tool for lifting (19 views) | To be negotiated | 4 days ago | |
| 13. New ideas on request (32 views) | To be negotiated | 5 days ago | |
| 14. Global Real Estate Consortium (24 views) | To be negotiated | 5 days ago | |
| 15. Global 2D Code Marketing Consortium (16 views) | To be negotiated | 5 days ago |
Most viewed patents |
Current price: |
Created: |
|
| 1. Multi-positional Sexual Intercourse Chair (58817 views) | To be negotiated | 2 years ago |
| 2. ELECTRIC SKATEBOARD AND GAS SKATEBOARD (14251 views) | + 1 Million $ | 2 years ago |
| 3. ROBOT OF BOOBS MASSAGE ( Sell breast massage robot ) (13890 views) | To be negotiated | 2 years ago |
| 4. HIGH TECH LOW RPM GENERATOR FOR ALL (see links & videos) (9654 views) | To be negotiated | 2 years ago |
| 5. DRYWALL (DIMPLER) TOOL *Profit Potential in (MILLIONS) Look! (5766 views) | 250,000 $ | 1 year ago |
| 6. SMART PULLEY variable speed drive / automotive transmission (5351 views) | To be negotiated | 2 years ago |
| 7. ECO / GREEN Recyclers Raft swimming pool floats use POP btls (5273 views) | 75,000 $ | 1 year ago |
| 8. Incredible Windmill:Dirt-cheap Energy, Evade Global Warming (5073 views) | To be negotiated | 2 years ago |
| 9. Paragen - Benzyl phenyl ether compounds (4553 views) | To be negotiated | 2 years ago |
| 10. Vertical Axis Wind Turbine (4453 views) | To be negotiated | 10 months ago |
| 11. Kalashnikov (AK-47) Last Round Hold Open Kit (4250 views) | To be negotiated | 2 years ago |
| 12. Receipt Card Systems, Consumer Electronic Receipt Archiving (4170 views) | To be negotiated | 1 year ago |
| 13. The Sexy Puff! new Bean bag chair (4125 views) | 500,000 ? | 2 years ago |
| 14. Dog Zip Line and Portable/Adjustable Dog Run for All Sizes (3903 views) | 50,000 $ | 1 year ago |
| 15. Folding Boat Trailer (3567 views) | To be negotiated | 2 years ago |
| 16. Superengine powered car runs over 200 miles per gallon. (3473 views) | To be negotiated | 1 year ago |
| 17. Amphibian Caterpillar Accessory for Off-Road Cars (3072 views) | 98,500 € | 12 months ago |
| 18. The Feed n? Play? Two-Seater High Chair (NEW! Now 2 prices) (3065 views) | 95,000 $ | 2 years ago |
| 19. Jet Ski Boat (2987 views) | 100,000 $ | 2 years ago |
| 20. Genius for sale-- see photo of product (2965 views) | To be negotiated | 2 years ago |
| 21. Denture Repair Kit (2934 views) | + 1 Million $ | 1 year ago |
| 22. skimskate/skimboard-hot boardsport-4 prototypes included. (2822 views) | 29,000 $ | 2 years ago |
| 23. turpentine steam distillation in proximity of formaldehyde (2689 views) | To be negotiated | 2 years ago | |
| 24. Make Millions With This T-shirt Saying! (it is copyrighted) (2564 views) | 100,000 $ | 11 months ago |
| 25. turpentine steam distillation in proximity of ethylene (2505 views) | To be negotiated | 2 years ago | |
| 26. idolmotor (2460 views) | To be negotiated | 7 months ago |
| 27. Through-Wall Electric Outlet Box (2358 views) | To be negotiated | 2 years ago |
| 28. condom applicator (2279 views) | To be negotiated | 2 years ago |
| 29. New ANKLE Splint/Brace- Dynamic and static protection in one (2259 views) | 1,000,000 $ | 2 years ago |
| 30. Cyclone Fence Planter (multi-use) (2074 views) | To be negotiated | 2 years ago |
| 31. A NEW SOURCE OF RENEWABLE ELECTRIC ENERGY (1998 views) | To be negotiated | 2 years ago |
| 32. Free Electricity for your home or business (1881 views) | + 1 Million $ | 1 year ago | |
| 33. US Patent For Sale - Anti-Shoe-Slip-Off Device (1833 views) | To be negotiated | 2 years ago | |
| 34. Rhodium Plating Solution (1832 views) | To be negotiated | 1 year ago | |
| 35. Child-Resistant Refrigerator Door Lock - Pat Appln (1810 views) | 24,990 $ | 2 years ago |
[ Home | List a patent | Manage your account | F.A.Q. | Forum for inventors | Bookmark this page]