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Today's builder card

Amazon's old checkout trick is back.

Passkeys and wallets make the expired 1-Click idea useful for indie stores again.

Exploding angle97 fit
Builder window
What's hotPasskey checkout

Buyers want tap-to-buy without password pain.

Old trickUS5960411A

Single-action ordering with saved buyer details.

Tiny first buildCheckout audit + widget

Show stores where buyers quit, then install a faster reorder path.

AI Studio promptMake a passwordless checkout add-on for small stores.
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Source-linked 107,193 patents Check before selling
107,193

Old blueprints scanned

107,193+

Ideas translated

47,130+

Likely expired

84,146+

Builder saves

99.98%

Engine live

Built around the moat

Tiny proof board

Real patterns for turning scary patent language into a safer first product angle.

Clean routeUS10262281B1

Decentralized Status Broker

Avoided active push-event patent claims by implementing client-side polling with exponential backoff on Edge workers.

Industry: LogisticsVerified Jul 20, 2026
Clean routeUS9847120B2

Wearable Biosense Tracker

Bypassed active data routing claims by performing localized symmetric encryption on-device before transmission.

Industry: HealthcareVerified Jul 18, 2026
Clean routeUS10481230B1

Smart Parking Allocation Engine

Sidestepped proximity-sensor tracking claims by utilizing municipal open data and crowdsourced visitor reports.

Industry: Smart CitiesVerified Jul 16, 2026
Active CautionUS11048921B2

Haptic Feedback Actuator

Active patent claims cover direct frequency modulation; workaround utilizes pulse-width modulation with dynamic limits.

Industry: HardwareVerified Jul 14, 2026
Pick a rabbit hole
Rabbit-hole lens

Everything: leaders recalculated for this shelf

The three leaderboards below now use only this selected patent shelf. Hot timing, expired-first, and big-upside picks change together so the rabbit hole feels like a real market lens, not a decorative tag.

1012 buildable bets91/100 timing91/100 upside1011 likely expired
Top pick in this lensResonant Power LinkUS7228340B2Likely expired
Builder map

Where the fun hides

What kind of thing is this?

Hardware hooks35%
SaaS and APIs45%
AI and robotics20%

How scary is the patent layer?

Likely expired58%
Active caution42%

How fast can a builder test it?

Software-only65%
Needs hardware35%
Source-backed trend sample

One old checkout patent, one real demand curve

Homepage FOMO follows the same rule as idea pages: show the curve only when explicit monthly observations exist.

passkey checkoutChecking source
Trend graph waits for source data

Real curve, or no curve.

Checking the cached/live provider row for One-Click Checkout.

Idea shelf

Buildable bets (1012)

Likely expiredUS7228340B2

Resonant Power Link

Magnetic resonance wireless charging for moving warehouse robots

Trend angle+306%fit curve
SafetySafer to Build
Build Time2-4 weeks
Market:Growing Market

Plain English: Wireless charging, but it works over longer distances. It beams electricity through the air using magnetic waves, similar to how radio signals travel.

Automatic contactless charging docks that deliver power across air gaps to active fleets.

Assignee: Access
Timing:94
Likely expiredUS5960411A

One-Click Checkout & Conversion Layer

One-Click Checkout

Trend angle+260%fit curve
SafetySafer to Build
Build Time1-2 weeks
Market:Massive Market

Plain English: It's like having a store remember your address and credit card so you can buy anything just by clicking one button.

Amazon held a monopoly on placing an order with a single click using saved details. Its 2017 expiration unlocked checkout platforms like Bolt and Shopify Shop Pay.

Assignee: Amazon.com,
Timing:92
Likely expiredUS4405829A

RSA Security & Encryption Tools

RSA Cryptographic Algorithm

Trend angle+374%fit curve
SafetySafer to Build
Build Time1-2 weeks
Market:Massive Market

Plain English: It's like a padlock with two keys: one key is public and anyone can use it to lock a box, but only the owner has the private key to unlock it.

MIT's RSA patent restricted the core public-key cryptography algorithm in the US. Its release to the public domain in 2000 unlocked secure online banking and ecommerce.

Assignee: Massachusetts
Timing:91
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Likely expiredUS6772130B1

Open Status Tracker

Parcel Tracking with Email Notifications

Trend angle+400%fit curve
SafetySafer to Build
Build Time1-2 weeks
Market:Massive Market

Plain English: It's like a post office system that emails you a special link so you can check where your box is as it travels.

Describes storing customer emails and parcel tracking numbers, sending automated status updates via email as the package moves. Expiration frees notification triggers.

Assignee: Individual
Timing:91
Likely expiredUS5121329A

FDM Desktop 3D Printer Kits

Fused Deposition Modeling (FDM) 3D Printing

Trend angle+291%fit curve
SafetySafer to Build
Build Time1-2 weeks
Market:Massive Market

Plain English: It's like a computer-controlled hot glue gun that builds 3D toys and plastic parts layer-by-layer.

Stratasys held the core monopoly on plastic filament extrusion. Its 2009 expiration instantly birthed MakerBot, RepRap, and the entire consumer 3D printing revolution.

Assignee: Stratasys,
Timing:90
Likely expiredUS4200770A

Diffie-Hellman Secure Infrastructure

Diffie-Hellman Key Exchange

Trend angle+329%fit curve
SafetySafer to Build
Build Time1-2 weeks
Market:Growing Market

Plain English: It's like two people mixing paint colors in public to create a secret color that only they can identify, without showing their original colors.

Stanford's Diffie-Hellman patent controlled public key exchanges over public lines. Expiration in 1997 removed a massive tollbooth from early web confidentiality.

Assignee: Stanford
Timing:90
Likely expiredUS6477503B1

Open Event Inventory

Active Reservation System for Venues & Events

Trend angle+309%fit curve
SafetySafer to Build
Build Time1-2 weeks
Market:Growing Market

Plain English: It's a digital coordinator that makes sure two people don't try to book the exact same tennis court or movie ticket at the same time.

Describes replicating a venue's local inventory database to an online active reservation server, managing distributed slots. Expiration opens event databases.

Assignee: Cylink
Timing:93
Likely expiredUS20030097283A1

Open Table Status

Live Restaurant Seat & Waitlist Visibility

Trend angle+329%fit curve
SafetySafer to Build
Build Time1-2 weeks
Market:Growing Market

Plain English: It's like a live digital map showing which tables in a restaurant are empty, eating dessert, or ready for next customers.

Describes table status tracking (table numbers, vacancy, seating progress) synced to reservation portals. Expiration opens real-time status access for local restaurants.

Assignee: Individual
Timing:90
Likely expiredUS4558302A

GIF & LZW Image Editors

LZW Compression (GIF Patent Barrier)

Trend angle+246%fit curve
SafetySafer to Build
Build Time1-2 weeks
Market:Growing Market

Plain English: It's like a packing trick that finds repeated patterns in a picture and shrinks them so the file loads quickly.

Unisys shocked the early web by demanding royalties for GIF compression. The patent's 2003 expiration liberated meme apps and open-source browser rendering engines.

Assignee: Sperry
Timing:90
Likely expiredUS5579430A

MP3 Audio Tools & Engines

MP3 Audio Compression & Encoding

Trend angle+279%fit curve
SafetySafer to Build
Build Time1-2 weeks
Market:Growing Market

Plain English: It's a smart formula that shrinks high-quality songs into small computer files so they can be sent easily over the internet.

Technicolor's MP3 licensing program required royalty fees for all encoding/decoding products. Expiration in 2017 unlocked free audio tools, game audio engines, and podcast platforms.

Assignee: Fraunhofer-Gesellschaft
Timing:89
Likely expiredUS5597589A

SLS Powder 3D Printing Systems

Selective Laser Sintering (SLS) 3D Printing

Trend angle+374%fit curve
SafetySafer to Build
Build Time2-4 weeks
Market:Massive Market

Plain English: It's like using a laser beam to draw on a flat bed of powder, turning the loose dust into solid plastic pieces.

SLS allows printing of highly functional, complex nylon parts without support structures. Expiration in 2014 drove commercial machine costs down from $100k to under $10k.

Assignee: Board
Timing:91
Likely expiredUS8799083B1

Restaurant Wait Time Intelligence

Restaurant Queue Time Prediction

Trend angle+350%fit curve
SafetySafer to Build
Build Time2-4 weeks
Market:Growing Market

Plain English: It looks at how fast people are paying their bills and how many tables are empty to guess exactly when you will get a seat.

Describes combining central reservation, table management, and POS data to output highly accurate queue time predictions for specific dining party sizes.

Assignee: Individual
Timing:92
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Builder proof loop

Tiny brief. Real source trail. Fast build.

PatentJoy is built for builders who do not want a patent lecture. Each card connects one demand signal, one expired invention, and one smallest product you can try in AI Studio.

Source-backed firstIf the trend row is missing, the card says pending instead of inventing volume.
Build path stays simpleGoogle AI Studio is the loud path; everything else stays secondary.
TRENDPATENTBUILDOne source-backed signal becomes one plain-English build card.
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