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.  Portable food cooling device
    (60 views)
7 hours ago
Picture for patent available 2. Aqualight Water Bottle
    (41 views)
8 hours ago
Patent document available 3.  Mounting arm
    (80 views)
13 hours ago
Picture for patent availablePatent document available 4. A Medical Device For Treating Obstructive Sleep Apnea and Snoring
    (68 views)
13 hours ago
 5. EQUIPO HIDRAULICO PARA AHORRO DE GAUA EN EL HOGAR E INDUSTRIA
    (38 views)
17 hours ago
Picture for patent available 6. MEDICAL DEVICE, ANTI DIABETES STIMULATOR
    (49 views)
23 hours ago
 7. ANTI-WRINKLE DEVICE INVENTION & US PATENT PENDING
    (68 views)
24 hours ago
 8. NEW WIIA ALTERNATOR WITH INTERACTIVE INDUCTORS
    (45 views)
24 hours ago
 9. Shrimp Washing &Cleaning Machine
    (73 views)
1 day ago
Patent document available 10. SYSTEM FOR A VEHICLE TO CAPTURE ENERGY
    (79 views)
1 day ago
 11. Automatic portioning device
    (77 views)
2 days ago
Picture for patent available 12. Cheap Solution to the problem of water scarcity
    (99 views)
2 days ago
Picture for patent availablePatent document available 13. Paint Tray Hangs on Vertically on Ladders- PaintSmart-Trayz
    (165 views)
3 days ago
 14. electric shock gun
    (141 views)
4 days ago
Picture for patent available 15. compressed air engine 1
    (186 views)
5 days ago


Most viewed patents

Listing created:

Picture for patent available 1. Micro Mirrors Shield Protecting Earth from Global Warming
    (27392 views)
2 years ago
Picture for patent available 2. Automotive Air Flow Tube
    (12075 views)
1 year ago
Picture for patent availablePatent document available 3. Sail venting technology used on BMW Oracle racing Americas Cup
    (9967 views)
4 months ago
Picture for patent availablePatent document available 4. TIRE-HANDLING DEVICE
    (9875 views)
1 year ago
Picture for patent availablePatent document available 5.  THE PHYSICS OF PERMANENT MAGNET MOTORS
    (9565 views)
10 months ago
Picture for patent availablePatent document available 6. CLOTHING IRON HOLDER WITH WATER RESERVOIR
    (9073 views)
1 year ago
Picture for patent available 7. Supercharger Kit for 50cc motorcycle, bike, moped, scooter
    (7402 views)
2 years ago
Picture for patent available 8. FREE COMPRESSION TUBE FOR ROCKETS
    (6880 views)
2 years ago
Patent document available 9. All Jasim patents 8112601, 7780416 Oil, Hackers, windmill, piracy
    (6388 views)
1 year ago
Picture for patent availablePatent document available 10. Pet exerciser - Tested for over 10 years! Solid, proven, design.
    (5735 views)
2 years ago
Picture for patent availablePatent document available 11. IN A MINUTE,CAN A DOOR BE UPDATED TO A FINGERPRINT UNLOCKED DOOR?
    (5404 views)
8 months ago
Picture for patent availablePatent document available 12. BELT CLASP (VARIANTS)
    (4420 views)
2 years ago
Picture for patent available 13. Billt-Taper Hand held tape dispenser with belt clip w/pricing
    (4334 views)
5 months ago
Picture for patent availablePatent document available 14. Toroidal motor and waste heat energy recovery systems
    (4306 views)
1 year ago
Picture for patent availablePatent document available 15. MR1 - the newly patented DIY-friendly car lift
    (4031 views)
2 years ago
Picture for patent availablePatent document available 16. DENTAL FLOSS HOLDER , Flosser
    (3394 views)
2 years ago
Picture for patent availablePatent document available 17. The ANY Key
    (3055 views)
2 years ago
Picture for patent availablePatent document available 18. Patented, Remote Controlled, Low Voltage Window Candles
    (2915 views)
2 years ago
Picture for patent availablePatent document available 19. Optical Illusion Wear
    (2804 views)
2 years ago
Picture for patent available 20. Personal cigarette receptacle
    (2730 views)
2 years ago
Picture for patent availablePatent document available 21.  Concealed Carry --- Trigger SAFETY CLIP
    (2660 views)
1 year ago
Picture for patent availablePatent document available 22.  BIOPSY NEEDLE - SOFT TISSUE - END CUTTING
    (2532 views)
1 year ago
Picture for patent availablePatent document available 23. Hi efficiency DIP TUBE for WATER HEATER
    (2510 views)
1 year ago
Picture for patent availablePatent document available 24.  REVOLVER SAFETY - Selectable Lockable --
    (2301 views)
1 year ago
Picture for patent availablePatent document available 25. A GARBAGE BAG & RECYCLE BIN COVER................new price.
    (2192 views)
2 years ago
Picture for patent availablePatent document available 26.  Ultra sonic 3-Diminsional CASTING with COMPOSITES
    (2111 views)
1 year ago
Picture for patent available 27. TEJJ Cycle
    (1991 views)
1 year ago
Picture for patent availablePatent document available 28. EzyTote Multi-Purpose Handle
    (1981 views)
2 years ago
Picture for patent available 29. Wristband Remote Controller - Controls Music All In The Wrist!
    (1782 views)
2 years ago
Picture for patent availablePatent document available 30. Paint Trim Tray with Brush Bar
    (1749 views)
2 years ago
Picture for patent availablePatent document available 31. A recycling holder that uses and reuses bags to sort items
    (1739 views)
2 years ago
Picture for patent available 32. IDOL ENERGY - idolmotor
    (1724 views)
1 year ago
Picture for patent availablePatent document available 33. EASY Solution for Women with Thin Hair - It's BETTER Than a WIG!
    (1688 views)
2 years ago
Picture for patent available 34. M.A.DI - 82MQ OF LIVABLE SPACE IN JUST 4 HOURS
    (1667 views)
2 years ago
Picture for patent available 35. FREQUENCY TUNABLE - ACOUSTIC INSULATION --
    (1602 views)
1 year ago