Patents
US patents through Dec 31, 2025 · PatentsView, from the USPTO’s Open Data Portal · read Oct 27, 2026
26 patents granted to the 3 names below, as the owner printed on each patent when it was granted. A later sale, a lapse or an expiry is not read, so this is what was granted to NextTrip, Inc.’s names, not what it holds today.
Patents granted
26
26 utility, 1976 to Dec 31, 2025
Granted in 2025
none
Against 1 in 2024 and 3 in 2023
Applications published
39
since 2001, to Dec 31, 2025
Names they are printed under
3
a former name
By yearGrantedApplications published
'98'16'17'18'19'20'21'22'23'24
Each pair is one calendar year. Applications are published about eighteen months after filing, so the newest years read low.
What they are aboutgrants since 2021
Materials, metallurgy8
Machine tools3
Measurement2
Other special machines1
The main technology area of each patent, in the World Intellectual Property Organization’s 35 fields.
Under which name3 counted
SIGMA LABS, INC. a former name
US, as the owner printed on each patent. 6 more under the same name are not counted (printed in AR)
23 publishedSigma Labs, Inc. a former name
named as the applicant on its applications, in US
12 publishedSigma Additive Solutions, Inc. a former name
US, as the owner printed on each patent
4 published
Newest grantseach row opens the USPTO’s own copy
| Granted | Patent | Title | Field | Owner as printed |
|---|
| Jan 2, 2024 | 11,858,207 | Defect detection for additive manufacturing systems | Materials, metallurgy | Sigma Additive Solutions, Inc. |
| Jul 4, 2023 | 11,692,876 | Optical manufacturing process sensing and status indication system | Machine tools | Sigma Additive Solutions, Inc. |
| Jun 13, 2023 | 11,674,904 | Systems and methods for additive manufacturing operations | Measurement | Sigma Additive Solutions, Inc. |
| Mar 21, 2023 | 11,607,875 | Method and system for monitoring additive manufacturing processes | Materials, metallurgy | Sigma Additive Solutions, Inc. |
| Dec 27, 2022 | 11,536,671 | Defect identification using machine learning in an additive manufacturing system | Other special machines | SIGMA LABS, INC. |
| Dec 6, 2022 | 11,517,984 | Methods and systems for quality inference and control for additive manufacturing processes | Materials, metallurgy | SIGMA LABS, INC. |
| Oct 25, 2022 | 11,478,854 | Multi-sensor quality inference and control for additive manufacturing processes | Materials, metallurgy | SIGMA LABS, INC. |
| Jul 19, 2022 | 11,390,035 | Systems and methods for measuring radiated thermal energy during an additive manufacturing operation | Machine tools | SIGMA LABS, INC. |
| Mar 8, 2022 | 11,267,047 | Material qualification system and methodology | Materials, metallurgy | SIGMA LABS, INC. |
| Mar 1, 2022 | 11,260,456 | Photodetector array for additive manufacturing operations | Materials, metallurgy | SIGMA LABS, INC. |
Newest applications publishedan application is a clue, never a plan
| Published | Application | Title | Field | Owner as printed |
|---|
| Mar 21, 2024 | 2024/0092016 | DEFECT DETECTION FOR ADDITIVE MANUFACTURING SYSTEMS | Materials, metallurgy | Sigma Additive Solutions, Inc. · patent 12,172,371 granted from it |
| Mar 14, 2024 | 2024/0085336 | SYSTEMS AND METHODS FOR ADDITIVE MANUFACTURING OPERATIONS | Measurement | Sigma Additive Solutions, Inc. · patent 12,019,026 granted from it |
| Aug 17, 2023 | 2023/0258575 | DEFECT IDENTIFICATION USING MACHINE LEARNING IN AN ADDITIVE MANUFACTURING SYSTEM | Materials, metallurgy | SIGMA LABS, INC. |
| Jun 29, 2023 | 2023/0202100 | DEFECT DETECTION FOR ADDITIVE MANUFACTURING SYSTEMS | Materials, metallurgy | Sigma Additive Solutions, Inc. · patent 11,858,207 granted from it |
| Apr 27, 2023 | 2023/0127650 | METHODS AND SYSTEMS FOR QUALITY INFERENCE AND CONTROL FOR ADDITIVE MANUFACTURING PROCESSES | Materials, metallurgy | Sigma Additive Solutions, Inc. · patent 12,151,316 granted from it |
| Mar 16, 2023 | 2023/0081180 | MULTI-SENSOR QUALITY INFERENCE AND CONTROL FOR ADDITIVE MANUFACTURING PROCESSES | Materials, metallurgy | SIGMA LABS, INC. · patent 11,931,956 granted from it |
| Dec 8, 2022 | 2022/0388249 | SYSTEMS AND METHODS FOR MEASURING RADIATED THERMAL ENERGY DURING AN ADDITIVE MANUFACTURING OPERATION | Machine tools | SIGMA LABS, INC. · patent 11,938,560 granted from it |
| Dec 1, 2022 | 2022/0382250 | POWDER BED DEFECT DETECTION AND MACHINE LEARNING | Measurement | SIGMA LABS, INC. |
| Oct 13, 2022 | 2022/0324056 | SYSTEMS AND METHODS FOR MEASURING RADIATED THERMAL ENERGY DURING AN ADDITIVE MANUFACTURING OPERATION | Machine tools | SIGMA LABS, INC. |
| Oct 13, 2022 | 2022/0324026 | APPARATUS AND METHODS FOR CALIBRATING ON-AXIS TEMPERATURE SENSORS FOR ADDITIVE MANUFACTURING SYSTEMS | Materials, metallurgy | SIGMA LABS, INC. |
What it applied for, 2024 to 2025: Measurement 1 · Materials, metallurgy 1.
A patent is counted where the owner printed on it when it was granted carries the company’s own name, a former name, the name of a subsidiary its annual report lists, or its own name with a patent-holding phrase (Technology Licensing, Intellectual Property and the like), once the legal form, case and punctuation are set aside, and prints a country that name counts in. PatentsView’s data are published under the Creative Commons Attribution 4.0 licence. Source: PatentsView's granted patents and pre-grant publications, disambiguated, from the USPTO's Open Data Portal, through Dec 31, 2025, read Oct 27, 2026.