Patents For Your Pets (Dog Inventions, Cat Inventions) Everyone loves their pets, especially inventors. Check out some of these fascinating pet patents and inventions. 6,490,999 – SoundStarts Inc. – Collar apparatus enabling secure handling of a snake by tether5,934,226 -Lorraine Moore – Bird diaper5,901,666 – Brice Belisle – Pet display clothing5,983,411 – George M. Zigounakis – Toilet tank aquarium1,351,140 – Henry L. Stoker – Dog Muzzle