How Rocket Lab Secures Satellites Inside Their Launch Dispensers
A mechanical system that allows engineers to tighten and secure a satellite inside a launch container from the outside after the door is already closed.
Original patent title: “Satellite deployer with externally adjustable payload restraint”
A mechanical system that allows engineers to tighten and secure a satellite inside a launch container from the outside after the door is already closed. Granted to Rocket Lab USA Inc in 2021 with 18 claims and 2 forward citations.
Key facts
Coverage
What does this patent actually cover?
This patent describes a satellite dispenser that uses adjustable restraints—essentially small, screw-driven feet—to hold a satellite firmly in place during the intense vibrations of a rocket launch. The key innovation is that these restraints are controlled by manual interfaces located on the outside of the dispenser body. This allows technicians to load a satellite, close the dispenser door, and then perform final adjustments to the restraint pressure without having to reopen the container. The system also includes a pusher plate assembly with posts that align with these restraints to ensure the satellite remains stable and protected until it is ready for deployment in orbit.
The gap
What does this patent NOT cover?
- Does not cover internal restraint systems that require opening the dispenser door to adjust.
- Does not cover automated, non-manual adjustment mechanisms (e.g., hydraulic or electronic actuators).
- Does not cover the specific electronics or communication systems of the satellite being held.
- Does not cover the rocket propulsion system itself.
These exclusions are unique to PatentBrief — derived from the actual claim language, not patent-office boilerplate.
What made this novel
The invention moves the 'tuning' of the payload fit outside the sealed environment. By using externally accessible screws to adjust internal polymer feet, it eliminates the need to repeatedly open and close the dispenser, which minimizes contamination risks and saves significant time during launch integration.
Schematic visualization of the patent's claim structure. Hand-drawn diagrams in progress for each landmark patent.
Where you've seen this
Real-world examples
Rocket Lab Photon satellite bus dispensers
Small satellite launch integration hardware
CubeSat deployment systems
Why it matters
The bigger picture
In the small satellite industry, launch providers often carry multiple payloads from different customers on a single flight. This patent simplifies the integration process by allowing engineers to 'fine-tune' the fit of a satellite inside its housing at the very last minute. This reduces the risk of damage during the high-vibration environment of a launch, which is critical for the success of expensive, miniaturized hardware.
Filed
July 31, 2018
Granted
July 13, 2021
Market context
Who's building on this
Companies in this space
Rocket Lab USA remains the primary user of this technology, integrating it into their Electron launch vehicle operations. The broader small-satellite launch industry, including competitors like SpaceX's rideshare program or various CubeSat deployer manufacturers, often explores similar mechanical solutions to solve the same 'fit and vibration' challenges.
Market impact
This patent supports the 'rideshare' model of space launch, where multiple small satellites share a single rocket. By streamlining the physical integration process, it helps lower the barrier to entry for small satellite operators, making it faster and safer to prepare payloads for flight in a competitive commercial space market.
Claim 1 — Plain English
What this patent covers
This patent describes a satellite dispenser that uses adjustable restraints—essentially small, screw-driven feet—to hold a satellite firmly in place during the intense vibrations of a rocket launch. The key innovation is that these restraints are controlled by manual interfaces located on the outside of the dispenser body. This allows technicians to load a satellite, close the dispenser door, and then perform final adjustments to the restraint pressure without having to reopen the container. The system also includes a pusher plate assembly with posts that align with these restraints to ensure the satellite remains stable and protected until it is ready for deployment in orbit.
The clever bit
The invention moves the 'tuning' of the payload fit outside the sealed environment. By using externally accessible screws to adjust internal polymer feet, it eliminates the need to repeatedly open and close the dispenser, which minimizes contamination risks and saves significant time during launch integration.
What it does not cover
- Does not cover internal restraint systems that require opening the dispenser door to adjust.
- Does not cover automated, non-manual adjustment mechanisms (e.g., hydraulic or electronic actuators).
- Does not cover the specific electronics or communication systems of the satellite being held.
- Does not cover the rocket propulsion system itself.
Patent timeline
Application submitted to the patent office
Application published, typically 18 months after filing
Patent officially issued
PatentBrief Score
Impact Score
Moderate
Citation count
10/40
Early citations
Claim breadth
12/20
Broad claimsclaimsThe numbered statements at the end of a patent that legally define what the inventor owns.Read more →
Recency
20/20
Granted within 5 years
Assignee scale
0/20
Independent or smaller assigneeassigneeThe entity that owns the patent — usually the inventor's employer or a company.Read more →
PatentBrief Impact Score — based on citation count, claim breadth, recency, and assignee scale. Not a legal assessment.
Heuristic Value Estimate
What this patent might be worth
$53K – $168K
Midpoint $105K · 12.1 yr remaining · industry ×0.9
Heuristic only — blends forward/backward citation counts, claim scope, time remaining, litigation history, and CPC-derived industry baseline. Real valuations need a professional appraisal.
The original legal language
Original claims
18 claims as filed with the patent office.
Concepts involved
Citations
Patent lineage
Cite this patent
Barlow, P., Beck, P., Yoon, D., & Malcolm, B. (2021). How Rocket Lab Secures Satellites Inside Their Launch Dispensers (U.S. Patent No. 11,059,609). U.S. Patent and Trademark Office. https://patentbrief.org/patent/us/11059609/starlink-inter-satellite-laser-links
Auto-generated from the patent record. Double-check author order and the issue date against the official USPTO document before submitting.
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Common Questions
Frequently Asked Questions
What does How Rocket Lab Secures Satellites Inside Their Launch Dispensers cover?
A mechanical system that allows engineers to tighten and secure a satellite inside a launch container from the outside after the door is already closed.
Who owns patent US 11059609?
Rocket Lab USA Inc owns this patent, granted in 2021.
When does this patent expire?
This patent is expected to expire on July 13, 2041, when the invention enters the public domain.
What is patent US 11059609 cited by?
This patent has been cited by 2 later patents that build on its ideas.
What problem does this patent solve?
In the small satellite industry, launch providers often carry multiple payloads from different customers on a single flight. This patent simplifies the integration process by allowing engineers to 'fine-tune' the fit of a satellite inside its housing at the very last minute. This reduces the risk of damage during the high-vibration environment of a launch, which is critical for the success of expensive, miniaturized hardware.
What does this patent NOT cover?
Does not cover internal restraint systems that require opening the dispenser door to adjust.
Patent monitoring