Happy Easter to all who celebrate! May your Easter Sunday be filled with colour, kindness, and the small hidden surprises that make Easter special. #EasterSunday #HappyEaster

1/2 On this day in 1886, Gottlieb Daimler received German Patent No. 34926 for a “Gas- or petroleum-powered engine”, known as the “Standuhr”. #OnThisDay #OTD #PatentHistory #Patents #AutomotiveHistory

Moulinex might be the household name, but they didn’t invent the food mill! #OnThisDay in 1928, Victor Simon patented the “Passe-Vite” in Belgium, 4 years before Moulinex’s “Moulin-Légumes”. In commercial history, Moulinex won. In patent history, Simon was first. #OTD #PatentHistory #Patents

1/2 On this day in 1858, Hymen Lipman received US patent No. 19,783 for the “Combination of lead-pencil and eraser”. #OnThisDay #OTD #PatentHistory #Patents

On this day in 1895, Charles Jenkins received US Patent No. 536,569 for the “Phantoscope”, one of the very first practical movie projectors. #OnThisDay #OTD #PatentHistory #Patents

1/2 Not every milestone in patent history is a famous invention. On this day 55 years ago, 15 states signed the Strasbourg Agreement Concerning the International Patent Classification. #OnThisDay #OTD #PatentHistory #Patents WIPO

1/2 On this day in 1982, William Holmes received US Patent No. 4,320,756 for a “Fresh-air breathing device and method” that literally tells you to snorkel for air through the U-bend of your toilet while your house burns down. #OnThisDay #OTD #Patents

On this day in 1960, US Patent No. 2,929,922 was granted to Arthur Schawlow and Charles Townes for “Masers and maser communications system”, now known as the laser. From fiber optics to life-saving surgery, it truly is the light that changed the world! #OnThisDay #OTD #PatentHistory #Patents #Laser

On this Day in 1993, Arthur Fry received US Patent No. 5,194,299 for a “Repositionable pressure-sensitive adhesive sheet material”, the Post-it note. Sticky enough to hold, gentle enough to peel. Innovation that sticks! #OnThisDay #OTD #PatentHistory #Patents #PostIt

1/3 On this day in 1954, Velcro S.A. received Swiss Patent No. 295638 for a “Dispositif d’accrochage”, the hook-and-loop fastener invented by Swiss engineer George de Mestral and later marketed under the brand name Velcro. #OnThisDay #OTD #PatentHistory #Patents #Velcro

1/2 On this day in 1794, Eli Whitney received US Patent No. X72 for the “Cotton gin”, machine for separating cotton fibres from their seeds. #OnThisDay #OTD #PatentHistory #Patents

1/2 On this day in 1871, Robert Clay received US Patent No. 112,550 for an “Improvement in creeping dolls”. #OnThisDay #OTD #PatentHistory #Patents

On this day in 1877, Chester Greenwood received US Patent No. 188,292 for an “Improvement in ear-mufflers”. Greenwood came up with the idea at the age of 15, when he got tired of frozen ears while ice skating… so he invented the modern earmuff! #OnThisDay #OTD #PatentHistory #Patents

On 20 March 1896, James Boyle received US Patent No. 556,248 for a “Saluting device” that automatically lifted and rotated a hat during a bow. Even in 1896, manual politeness was apparently such an intolerable burden that it had to be mechanised. #OnnThisDay #OTD #PatentHistory #Patents

On this day in 1858, Albert Potts received US Patent No. 19,578 for a “Mode of attaching metallic letter-boxes to lamp-posts”, the patent for one of the earliest street post boxes. #OnThisDay #OTD #PatentHistory #Patents #PostalHistory

On this day 150 years ago, Alexander Graham Bell received US Patent No. 174,465 for an “Improvement in telegraphy”, the patent that laid the foundation for the telephone. #OnThisDay #OTD #PatentHistory #Patents

1/4 On this day in 1899, Bayer registered German Trademark Reg. No. 36433 for “Aspirin”. #OnThisDay #OTD #TrademarkHistory #Trademarks #Aspirin #Bayer

1/2 On this day in 1979, Apple registered US Trademark Reg. No. 1,114,431 for its now-iconic apple logo. #OnThisDay #OTD #TrademarkHistory #Trademarks #Apple

On this day in 1963, Arthur Melin, co-founder of Wham-O, received US Patent No. 3,079,728 for “Hoop toy”, the legendary Hula Hoop. This simple plastic ring ignited a global frenzy, mixing playtime with hip-swaying exercise. #OnThisDay #OTD #PatentHistory #Patents #HulaHoop #ToyHistory

🎉✨ HAPPY ANNIVERSARY to Helene Adelaide Shelby receiving a government patent for her “robot skeleton to scare dudes into police confessions” machine ✨🎉

[October 28th, 1980] Mildred E. Smith's patent is granted for his Family Relationships Card Game

unhinged patent filing for the no. 5 crossbar. there’s over 100 pages of just this.

1/2 On this day in 1970, Fredric Baur and Harold Hawley received US Patent No. 3,498,798 for a “Packaging of chip-type snack food products”, the iconic Pringles tube. #OnThisDay #OTD #PatentHistory #Patents #Pringles

Nancy Johnson (1794–1890) patented the first hand-cranked ice cream freezer in 1843. Her "Artificial Freezer" used a crank, dasher & salt-ice tub to churn smoother ice cream faster--transforming it from a labor-intensive luxury for the wealthy to an accessible treat for all. #WomensHistoryMonth

On this day in 1921, Harry Houdini, the legendary American escape artist, received US Patent No. 1,370,316 for a “Diver’s suit” designed for rapid self escape underwater in an emergency. A patented attempt to turn escapology into a safety feature. #OnThisDay #OTD #PatentHistory #Patents

1/4 On this day in 1924, Carl Zeiss in Jena received German Patent No. 391036 for Walther Bauersfeld’s “Device for projecting stars onto a spherical projection screen”, the projection planetarium. #OnThisDay #OTD #PatentHistory #Patents #Planetarium #Zeiss Photos: Deutsches Museum, CC BY-SA 4.0.

Joseph Bookman of Manhattan, NV received US Patent #1217692 for his... *cough*... warm Internal (ie. rectal) Bath Apparatus on Feb 27, 1917. t.co/cW4uHcV1AX

1/5 On this day in 1974, Bill Bowerman received US Patent No. 3,793,750 for an “Athletic shoe for artificial turf”. #OnThisDay #OTD #PatentHistory #Patents #Nike

1/4 On this day in 1836, Samuel Colt received US Patent No. X9,430 for an “Improvement in fire-arms”. #OnThisDay #OTD #PatentHistory #Patents #Colt

1/4 On this day in 1837, Vermont blacksmith Thomas Davenport received US Patent No. 132 for an “Improvement in propelling machinery by magnetism and electro-magnetism”. #OnThisDay #OTD #PatentHistory #Patents

On Feb 25, 1896, Nikola Tesla patented Alternating Motor.

1/2 On this day in 1970, James Neckermann and Maureen McGuire received US Patent No. 3,496,575 for a “Carry-all hat”, a women’s hat with hidden compartments for cosmetics, jewellery, keys, meds, and whatever else life demands. #OnThisDay #OTD #PatentHistory #Patents

1/5 On this day in 1893, Rudolf Diesel received German Patent No. 67207 for a “Working method and design for combustion engines”, the patent behind the diesel engine. #OnThisDay #OTD #PatentHistory #Patents #Diesel Photo: Deutsches Museum, CC BY-SA 4.0.

1/3 On this day in 1876, Deere & Co registered “JOHN DEERE” as US Trademark Reg. No. 3,434 for plows and cultivators. #OnThisDay #OTD #TrademarkHistory #Trademarks #JohnDeere

A classic case of a shop-floor problem becoming a patented standard. Brannock turned “try it and guess” into a repeatable measurement tool, and once institutions like the US Army cared about consistent fit, the device spread everywhere.

1/5 On this day in 1865, John Deere received U.S. Patent No. 46,454 for an “Improvement in Plows”. #OnThisDay #OTD #PatentHistory #Patents #JohnDeere

1/2 Slawa Duldig deserves to be remembered as an inventor, not just an artist. #PatentHistory #Patents

Treat COVID with a tanning bed? US Patent 12551717, issued this week for "Therapy, Treatment, And Process For Photodynamic Inactivation Of COVID-19"

On Feb. 19, 1796, Elisha Perkins received a U.S. patent for “metallic tractors.” These expensive ($25) metal rods were sold as medical devices. The metal was said to draw “noxious electrical fluid” from injuries. In 1800, physician John Haygarth showed that wooden replicas were equally effective.

c. 1832 – 1904 | Sarah Boone, American inventor. The 2nd Af-Am wmn to obtain a patent,issued U.S. patent 473,563 (1892)for ironing board improvements,specifically to improve the quality of ironing the bodies + sleeves of wmn’s garments #womenshistory #WomenInSTEM #BlackHistoryMonth #InventorSky #woc

1/5 On this day in 1878, Thomas Edison received US Patent No. 200,521 for an “Improvement in phonograph or speaking machines”. #OnThisDay #OTD #PatentHistory #Patents #Edison.

1/3 On this day in 1879, sculptor Auguste Bartholdi received U.S. Design Patent No. D11,023 for a “Design for a Statue”, the design we now know as the Statue of Liberty. #OnThisDay #OTD #PatentHistory #DesignPatent #StatueOfLiberty

1/4 On this day in 1983, German utility model (petty patent) DE8204815U1 for a “Carry, especially for transporting live animals” was registered. #OnThisDay #OTD #Patents

1/4 On this day in 1972, Willem Kolff received US Patent No. 3,641,591 for a “Soft shell mushroom shaped heart”. #OnThisDay #OTD #PatentHistory #Patents #MedTech

Race to the Telephone: On this day in history, 150 years ago, February 14, 1876, Elisha Gray filed a patent caveat for “Instruments for Transmitting and Receiving Vocal Sounds Telegraphically” on the same day Alexander Graham Bell filed a patent application for “Improvement in Telegraphy.” (1/5)

You probably know this, but the record of one of the major Colt patent cases is available: catalog.hathitrust.org/Record/01039...

1/5 On this day, 14 February 1911, John Browning received US Patent No. 984,519 for a “Firearm”, the pistol that would become the Colt M1911. #OnThisDay #OTD #PatentHistory #Patents #JohnBrowning #Colt #M1911

Interior View of the North Hall, United States Patent Office Model Room After the Fire of September 24th, 1877 https://npg.si.edu/object/npg_NPG.POB172

1/3 On this day in 1915, Alexander Behm received German Patent No. 282009 for a device to measure sea depth, and even the distance and direction of ships or obstacles, using reflected sound waves. #OnThisDay #OTD #PatentHistory #Patents

Another pop quiz in the #HowOldAmI series: Motorola® started by producing car radios, so it starts with “motor”. “Ola” was a popular ending for trademarks the way “ify” is today The date in the image tells you when it was registered. Can you guess when it was first used in the U.S.?