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 available 1. FREE ENERGY PHONE (video)
    (64 views)
1 day ago
Picture for patent available 2. Self-Inflating Heat Sanitizer
    (90 views)
2 days ago
Picture for patent availablePatent document available 3. Decorative Garment strap clasp system
    (94 views)
2 days ago
Picture for patent available 4. Allowed Patent for $10k award winning Ergonomic Wrist Support
    (72 views)
2 days ago
Picture for patent availablePatent document available 5. New Patent For Investors (video)
    (69 views)
2 days ago
Picture for patent available 6. Super Ghamela/ Karhai
    (75 views)
2 days ago
 7. Go Green Wind Chime Teddy Potter
    (88 views)
3 days ago
Patent document available 8.  Milk-Cereal on the Go
    (127 views)
3 days ago
Picture for patent availablePatent document available 9. Self closing Spill and drip free pour spout.
    (98 views)
3 days ago
Picture for patent availablePatent document available 10.  Glow in the dark horseshoe game
    (102 views)
3 days ago
Patent document available 11.  Extendable toolbox for a truck bed and associated method
    (97 views)
3 days ago
 12. System to develop drawing touchable skills for blind
    (124 views)
4 days ago
Picture for patent availablePatent document available 13. CARGADOR DE BATERIAS CON ENERGIA CINETICA (video)
    (120 views)
4 days ago
Patent document available 14.  Mobile home skirt guard
    (133 views)
4 days ago
Picture for patent availablePatent document available 15. AUTOMATIC DEVICE FOR WASHING AND BODY MASSAGE (video)
    (82 views)
5 days ago


Most viewed patents

Listing created:

Picture for patent available 1. Micro Mirrors Shield Protecting Earth from Global Warming
    (17180 views)
1 year ago
Picture for patent available 2. Automotive Air Flow Tube
    (7061 views)
10 months ago
Picture for patent available 3. ANTITHERMAL SHIELD FOR ROCKETS
    (6687 views)
2 years ago
Picture for patent availablePatent document available 4. Receipt Card Systems, Consumer Electronic Receipt Archiving
    (6193 views)
2 years ago
Picture for patent available 5. ABSORBENT WATER BATERY SET UP IN THE VAT OF OIL TRANSFORMERS
    (5931 views)
2 years ago
Picture for patent available 6. FREE COMPRESSION TUBE FOR ROCKETS
    (5322 views)
1 year ago
Picture for patent availablePatent document available 7. TIRE-HANDLING DEVICE
    (4889 views)
10 months ago
Picture for patent availablePatent document available 8.  PERMANENT MAGNET MOTOR -- Magnetism from ATOMIC MOTION
    (4670 views)
4 months ago
Picture for patent available 9. Supercharger Kit for 50cc motorcycle, bike, moped, scooter
    (4588 views)
1 year ago
Picture for patent availablePatent document available 10. CLOTHING IRON HOLDER WITH WATER RESERVOIR
    (4565 views)
10 months ago
Picture for patent availablePatent document available 11. ECO / GREEN Recyclers Raft swimming pool floats use POP btls
    (3980 views)
2 years ago
Picture for patent availablePatent document available 12. Rafter Layout Tool
    (3576 views)
2 years ago
Picture for patent availablePatent document available 13. Kissing feet of the Saudi King? Drive 200+ miles per gallon!
    (3525 views)
2 years ago
 14. All Jasim patents 8112601, 7780416 Oil, Hackers, windmill, piracy
    (3170 views)
7 months ago
Picture for patent available 15. Protection ground electrodes
    (3035 views)
2 years ago
Picture for patent available 16. Mechanical protection of electric lines at rime and wind
    (2916 views)
2 years ago
Picture for patent available 17. GRILL FOR BOIL
    (2882 views)
2 years ago
Picture for patent available 18. Modern solution to improve electric contacts
    (2880 views)
2 years ago
Picture for patent availablePatent document available 19. BELT CLASP (VARIANTS)
    (2780 views)
1 year ago
Picture for patent availablePatent document available 20. MR1 - the newly patented DIY-friendly car lift
    (2514 views)
1 year ago
Picture for patent availablePatent document available 21. Baby Safety Bathtub - An Amazing Product !!!
    (2306 views)
2 years ago
Picture for patent availablePatent document available 22. The Pull and Wash Retractable Showering System
    (2289 views)
2 years ago
Patent document available 23. PATENT FOR SALE: Full Size Bicycle That Fits into A Backpack
    (2061 views)
2 years ago
Picture for patent availablePatent document available 24. DENTAL FLOSS HOLDER , Flosser
    (2046 views)
1 year ago
Picture for patent availablePatent document available 25. Toothbrush and Toothpaste Holder (Pencil Holder)
    (2006 views)
2 years ago
Picture for patent availablePatent document available 26. IN A MINUTE,CAN A DOOR BE UPDATED TO A FINGERPRINT UNLOCKED DOOR?
    (1972 views)
2 months ago
Picture for patent availablePatent document available 27. Pet exerciser - Tested for over 10 years! Solid, proven, design.
    (1878 views)
1 year ago
Picture for patent available 28. Personal cigarette receptacle
    (1835 views)
1 year ago
Picture for patent availablePatent document available 29. Patented, Remote Controlled, Low Voltage Window Candles
    (1819 views)
1 year ago
Picture for patent availablePatent document available 30. Table with folding legs
    (1725 views)
2 years ago
Picture for patent available 31. Modern connector by melt aluminium for electric cables
    (1625 views)
2 years ago
Picture for patent availablePatent document available 32. The ANY Key
    (1604 views)
1 year ago
Picture for patent availablePatent document available 33. New Wheelchair Lift - SUV Driverside
    (1599 views)
2 years ago
Picture for patent availablePatent document available 34. Optical Illusion Wear
    (1546 views)
1 year ago
Picture for patent available 35. TEJJ CONSTANT TORQUE IC ENGINE
    (1485 views)
2 years ago