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. INNOVATION
    (16 views)
17 hours ago
Picture for patent available 2. Device for droppings collect
    (37 views)
1 day ago
Picture for patent available 3. Female BRA that INCREASE & SHAPES breasts as PLASTIC SURGERY
    (31 views)
2 days ago
Picture for patent available 4. H2O Flow Pads ( Grip pads for a bodyboard)
    (54 views)
2 days ago
Patent document available 5. Processor executing JAVA bytecodes with highest performance
    (79 views)
2 days ago
 6. Cell Phone Cold Weather PROTECTION...battery heater
    (63 views)
2 days ago
 7. Long-Term Forex Data, Charts and Forecasting.
    (59 views)
2 days ago
Picture for patent availablePatent document available 8. FUNDA DE TELEFONO CON CARGADOR AUTONOMO (video)
    (79 views)
4 days ago
Picture for patent availablePatent document available 9. Battery charger for portable devices with kinetic energy
    (88 views)
4 days ago
 10. GREEN TECHNOLOGIES
    (78 views)
4 days ago
Picture for patent availablePatent document available 11. Fire Alarm and Smoke Detector Testing Tool
    (91 views)
4 days ago
 12. Magnetic bearing
    (130 views)
5 days ago
Picture for patent available 13. Tuning of supply of fuel on a car
    (131 views)
5 days ago
Patent document available 14. System for safe fuel in combustion boiler.
    (132 views)
5 days ago
 15. Marketing Concept Score: 74! Possible to generate $1.2B!!!
    (96 views)
6 days ago


Most viewed patents

Listing created:

Picture for patent available 1. Micro Mirrors Shield Protecting Earth from Global Warming
    (23579 views)
2 years ago
Picture for patent available 2. Automotive Air Flow Tube
    (10238 views)
1 year ago
Picture for patent availablePatent document available 3.  PERMANENT MAGNET MOTOR
    (8262 views)
7 months ago
Picture for patent availablePatent document available 4. TIRE-HANDLING DEVICE
    (8139 views)
1 year ago
Picture for patent available 5. ANTITHERMAL SHIELD FOR ROCKETS
    (7689 views)
2 years ago
Picture for patent availablePatent document available 6. CLOTHING IRON HOLDER WITH WATER RESERVOIR
    (7635 views)
1 year ago
Picture for patent availablePatent document available 7. Receipt Card Systems, Consumer Electronic Receipt Archiving
    (7392 views)
2 years ago
Picture for patent available 8. FREE COMPRESSION TUBE FOR ROCKETS
    (6107 views)
2 years ago
Picture for patent available 9. Supercharger Kit for 50cc motorcycle, bike, moped, scooter
    (5908 views)
2 years ago
Patent document available 10. All Jasim patents 8112601, 7780416 Oil, Hackers, windmill, piracy
    (4907 views)
10 months ago
Picture for patent availablePatent document available 11. ECO / GREEN Recyclers Raft swimming pool floats use POP btls
    (4719 views)
2 years ago
Picture for patent availablePatent document available 12. Pet exerciser - Tested for over 10 years! Solid, proven, design.
    (4054 views)
1 year ago
Picture for patent available 13. Billt-Taper Hand held tape dispenser with belt clip w/pricing
    (3859 views)
2 months ago
Picture for patent availablePatent document available 14. IN A MINUTE,CAN A DOOR BE UPDATED TO A FINGERPRINT UNLOCKED DOOR?
    (3849 views)
5 months ago
Picture for patent availablePatent document available 15. BELT CLASP (VARIANTS)
    (3648 views)
2 years ago
Picture for patent available 16. Protection ground electrodes
    (3624 views)
2 years ago
Picture for patent available 17. Mechanical protection of electric lines at rime and wind
    (3496 views)
2 years ago
Picture for patent available 18. GRILL FOR BOIL
    (3467 views)
2 years ago
Picture for patent available 19. Modern solution to improve electric contacts
    (3411 views)
2 years ago
Picture for patent availablePatent document available 20. MR1 - the newly patented DIY-friendly car lift
    (3288 views)
1 year ago
Picture for patent availablePatent document available 21. Baby Safety Bathtub - An Amazing Product !!!
    (2970 views)
2 years ago
Picture for patent availablePatent document available 22. DENTAL FLOSS HOLDER , Flosser
    (2753 views)
2 years ago
Picture for patent availablePatent document available 23. Toroidal motor and waste heat energy recovery systems
    (2628 views)
9 months ago
Picture for patent availablePatent document available 24. Toothbrush and Toothpaste Holder (Pencil Holder)
    (2581 views)
2 years ago
Picture for patent availablePatent document available 25. Patented, Remote Controlled, Low Voltage Window Candles
    (2362 views)
2 years ago
Picture for patent availablePatent document available 26. The ANY Key
    (2353 views)
2 years ago
Picture for patent available 27. Personal cigarette receptacle
    (2296 views)
2 years ago
Picture for patent availablePatent document available 28. Optical Illusion Wear
    (2180 views)
2 years ago
Picture for patent availablePatent document available 29. New Wheelchair Lift - SUV Driverside
    (2170 views)
2 years ago
Picture for patent availablePatent document available 30.  Concealed Carry --- Trigger SAFETY CLIP
    (2098 views)
1 year ago
Picture for patent available 31. Modern connector by melt aluminium for electric cables
    (2092 views)
2 years ago
Picture for patent availablePatent document available 32. Hi efficiency DIP TUBE for WATER HEATER
    (2033 views)
1 year ago
Picture for patent availablePatent document available 33.  BIOPSY NEEDLE - SOFT TISSUE - END CUTTING
    (2023 views)
1 year ago
Picture for patent availablePatent document available 34. Sail venting technology used on BMW Oracle racing Americas Cup
    (1981 views)
1 month ago
Picture for patent availablePatent document available 35.  REVOLVER SAFETY - Selectable Lockable --
    (1798 views)
1 year ago