Some of Kat's technology include:
Not yet organized by season
This is seen in the "Me-Oh Me-Oh Meow" episode; Kat , tired of his new collar, manages to get it off and then modifies it so it can torture Coop . Kat had become tired of his new collar telling him what to do all the time, so he did all he could to get it off; once he did, he figured it was the perfect opportunity to torture Coop with it. The collar is nothing more than a modified pet collar, the only difference is it now has a human. function in addition to dog's and cat's.
This is Kat second invention; it is seen in the episode "Do Not Fort Sake Me" when Kat tries to communicate with his home planet. The device is made out of ordinary household items such as a cookie tray and metal tongs.
As seen in the episode "Nip/Duck", Kat built this to resharpen his claws after the Vet trimmed them down; this device is also made from everyday household items such as a blender, cheese grater and an orange juicer.
As seen in the episode "Search and De-Toy", Kat built this rocket in an attempt to send food back to his home planet; the rocket is made out of ordinary household products such as a blender and a food funnel.
This is also seen in the episode "Search and De-Toy"; seeking revenge upon the RC Helicopter, Kat modifies a TV remote and turns it into a remote control for the RC Helicopter. Kat thought that Coop interfered with the rocket on purpose so he decided to take control of the RC Helicopter and crash it into Mrs. Munson's yard. This device is a modified TV remote; it is now able to pick up the RC Helicopter's frequency and wavelength.
This is one of Kat's more advanced inventions; it is seen in the episode "Flu_The_Coop", to put Coop to sleep and keep him from covering Kat in his germs. The contents of the formula might be comprised of soothing ingredients or it could just be made of a very powerful sleeping agent found on Earth or Planet Catnip, the exact ingredients are never revealed.
Modified pencil sharpener
Frisky Bits magnet
In "One Big, Happy Family", Kat creates a machine resembling a blender to mess up Coop body, or "scramble his face". Coop soon figures out who made it, and detonated it. Somehow, when they get home, Kat manages to get it back. No one knows how he got it back, especially with Millie next to him 24/7!
The most possibly deadly weapon, and almost eaten by Millie. In "One Big, Happy Family", Kat makes Millie cupcakes poisonous. This was probably a trap for Burt or a way to torture Coop, since Burt told him to sit in the corner on an old bar stool and not move.
In "One Big, Happy Family" Kat makes a trap for Burt and or Coop since if Coop tried to save Burt, Coop would be grounded or if he was too late he would be grounded, but Millie took the bait and Coop rescued her and the tasty cupcakes. Coop was grounded.
in "Flea Brains" Kat designs numerous brain controlling flea like nanobots to suppress and enslave the consciousness of an individual by burrowing through the earlobe straight to the mind. Afterwards cat can make him or her do anything he wishes them to via his new remote, a sonic blast however is shown to short out the bug thus dissolving the will bending effects.
In "Play N'Ice" Kat has a secret cell where he hides all his cat food. The lock to his food cell is voice activated. It was seemingly destroyed when it and the ice castle collapsed on themselves.
Seen in "Planter's Warp" and The Grass Is Always Meaner, respectively. The liquid can turn plants into monsters. Ingredients include ketchup, marshmallows, and Kat's hairballs. It also smells horrible to some humans. It makes grass grow over 7 feet tall.
In U.F. Float Kat has an idea to make the families U.F.O. float fly, so he can return home. So he makes proper fuel to go with it.
Also in U.F. Float Kat turns a parade float into a different-looking spaceship to try and get home.
House of Doom
Kat had made another rocket in Kid vs Kat vs Christmas, which was designed like Coop's Captain Blasteroid rocket but got electrified accidentally by Coop, when he was connecting the wires for the Christmas lights.
Explosive soccer ball
In Tickled Pink, Kat disguises Dennis as Millie using a squirrel, a dress and Millie's glasses.
In It's a Rocket, Man, Kat made a telescope out of a glass cup, magnafine glass and Millie's glasses in order to see how the delivery pod with his weapons of doom were doing.
In Flea Brains, Kat makes flea-sized mind control robots, and he builts this remote to control all of them.
Seen in the episode Teed Off.
In Menace the Dennis, Kat makes a formula to change water to milk.
Kat makes a laser that transforms humans in rats, in Rat a Phooey.
This appears in Over the Radar.
see blackout device
Kat makes 2 advanced lasers in the episode Swap Wrecked.
Kat makes this in Under Destruction.
Weapons of destruction
All weapons made by kat in Under Destruction.
A weapon of Kat used buy Coop during Under Destruction
Kat made this in Under Destruction.
Kat made this in Under Destruction.
It is seen in the short Katnapped and in russian version katnapped episode is called in the dreams the kat.
It is a special powder made by Mr Kat for him. It is used by Coop to enter the dreams of Mr. Kat and ruin.
Cybernetic mind control
It is seen in It's All In Your Head. This invention is made by Kat. It has used to get a USB key with a super secret data, that controls a kind of satellite lasers, to destroy so many places on earth.
Shown in episode "Rhymes with Coop", where Kat kommander tried to send rhymes to Earth, because there was a crisis of rhymes on the Catnip.
Seen in "Who's Haunting Who?", it is used to bring the King's army of cats to the Earth.
Modified control bot
Kat made this in You And Whose Armour?
Seen in Good Luck Harm. Kat has a blueprint of the suit, then coop steals it in the middle of a hokey game but then Kat gets it back and puts all the good luck charms in the neiberhood and puts it in the middle.
So it's partly a good luck charm.
Interplanetary TV receiver
It is shown in The Three Aarghs when Kat wanted to watch TV from his planet.
Season 1 inventions
Kat later uses a boulder to assault a mentally impaired Coop in Me Coop, You Kat and while it hits, his neanderthal DNA makes him too hard-headed to seriously injure with it, only making him angry.
Season 2 inventions
Soccer net trap
Kat makes this in Something about Fiona from Kat. This is one of Kat's pranking traps as he carved a foot ball to make it only an image from a card board sheet.
Kat made a helmet to move heavy objects for a construction of a robot in the episode Mind Games.
Steel strike weapons
Kat makes a steel propelled fan threat floats and destroys anything within its path.
Kat made Coop's light speeds Super Shoes so he could easily find out how many people own either dogs or cats. Probably from the "Awesome Feet" episode.
Kat used this machine to send gifts of Valentine's Day from Earth to his girlfriend. It resembles a shower stall. Probably from The Kitty Vanishes.
A weapon of Kat used by Coop.