AMSEN TECHNOLOGIES LLC

Tucson, AZ · Clean tech · Private

High-performance anion exchange membranes for photoelectrochemical solar-to-hydrogen generators

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Updated Oct 23, 2026

Sector: Clean tech
Headquarters: Tucson, AZ
Total capital: $2.7M

Federal grants: $1.7M; 4 awards · 2015–2022; Rank in peer group#7 of 26
Private capital raised: None on recordNo Form D filings on SEC EDGAR. Some raises are not filed.
Federal contracts: $1M; 4 awards · Defense, NASA; Rank in Clean tech#57 of 914
Granted patents: None on recordNo USPTO grants. Applications publish after 18 months.

Capital timeline

Latest events

Apr 2022Federal grantEnergy · Phase II · 19b.Novel Reinforced Anion Exchange Membranes for Solar-to-Hydrogen Generators$1.1M
Feb 2021Federal grantEnergy · Phase I · Highly Stable and Flexible Nanoporous Membranes for Non-aqueous Redox Flow Batteries$200K
Feb 2020Federal grantEnergy · Phase I · Novel Reinforced Anion Exchange Membranes for Solar-to-Hydrogen Generators$200K
Jun 2015Federal grantNASA · Phase I · Helium Recovery System Based on High-Performance Proton Exchange Membranes$125K
Jul 2011Federal contractDefense · Phase I SBIR For The Develop A Lithium Ion Battery Separator With High Temperature Stability By Modification On The Surface Of The Microporous Polyproplyene Separator.$100K
Dec 2010Federal contractDefense · Research And Development In The Physical, Engineering, And Life Sciences (except Biotechnology)$100K
Jan 2009Federal contractNASA · A Novel Heat Pipe Plate For Passive Thermal Control Of Fuel Cells This SBIR Project Aims To Develop A Lightweight, Highly Thermally And Electrically Conductive Heat Pipe Plate For Passive Removal Of The Heat From The Individual Fuel Cells Or Electrolysis Cells Within A Cell Stack. The Desired Heat Pipe Plate Will Be Fabricated From A Novel Composite Based On Carbon Nanotubes. Carbon Nanotubes Are Possibly The Best Heat Conducting Material The World Has Ever Known, As Their Unusually High Therma$100K

Show 1 earlier federal award

May 2006Federal contractDefense · 200608!600773!2100!W911QX!USA Materiel Command ACQUISITION!W911QX06C0043 !a!n! !n! ! !20060505!20080504!046772922!046772922!046772922!N!AMSEN Technologies, Llc !1684 S Res Loop Ste 518 !tucson !AZ!85710!77000!019!04!TUCSON !pima !arizona !+000000365000!N!N!000000000000!AD96!RDTE/OTHER Defense-management Support !S1 !services !000 !not Discernable !541710!E! !3! ! ! ! ! !999$711K

Node area is scaled to amount. Form D reports securities sold, which can differ from an announced round; filings are numbered in the order they were made.

Standing among 26 peers

Line = median

Clean tech · Material

Federal grants#7 · top 27%

Cumulative measures favor older companies. Rankings describe position today, not outcome. Below the median, ranks show as a band rather than a number.

Founders and team

No founders are linked to this company yet.

Founders appear once a person is matched to the company through its own patents, grants or filings. We never infer people from social profiles.

Checked: USPTO inventors; federal award principal investigators; SEC Form D related persons · Oct 23, 2026

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What it has protected

No granted patents are on record.

USPTO usually publishes applications 18 months after filing, so recent applications may not be visible yet. Patents assigned under a different entity name won’t match.

Checked: USPTO granted patents and published applications · Oct 23, 2026

AMORPHIC TECH LTDSimilar federal contract value in Clean tech · $1.2M in contracts
PAULSSON, INC.Similar federal contract value in Clean tech · $1.1M in contracts
ENCHEM ENGINEERING, INC.Similar federal contract value in Clean tech · $1.1M in contracts
ROCKYTECH LTDSimilar federal contract value in Clean tech · $924K in contracts
ENERGY CONCEPTS COMPANY, LLCSimilar federal contract value in Clean tech · $866K in contracts
TWELVE BENEFIT CORPORATIONSimilar federal contract value in Clean tech · $862K in contracts

Regulatory activity · Clean tech

Sector-level, not company-level

09 Jul 2026Air Plan Approval; Michigan; Redesignation and Maintenance Plan for the Partial St. Clair 2010 1-Hour Sulfur Dioxide (SO2) NAAQS Nonattainment AreaEnvironmental Protection Agency
02 Jul 2026Air Plan Approval; Delaware; 2006 24-Hour Fine Particulate Matter Limited Maintenance Plan for the Philadelphia Nonattainment AreaEnvironmental Protection Agency
02 Jul 2026Air Plan Approval; Oklahoma; Updates to the State Implementation Plan for New Source Review Permitting and General SIP ProvisionsEnvironmental Protection Agency
30 Jun 2026Epyrifenacil; Pesticide TolerancesEnvironmental Protection Agency
30 Jun 2026Fluoxapiprolin; Pesticide TolerancesEnvironmental Protection Agency
30 Jun 2026Chlormequat Chloride; Pesticide TolerancesEnvironmental Protection Agency

Rules are matched to sector, not to company. Recent activity in a sector is context rather than a signal about this business — until rules are matched to what a company actually builds, the section is shown as context and nothing more.

Sources

Federal grants from SBIR/STTR, NIH, NSF and DoD records. Federal contracts from USAspending.gov. Private capital from SEC Form D. Patents from USPTO. Publications from OpenAlex. Regulatory activity from the Federal Register. Press matched on company name.

How to read this page

Figures show associations in public records, not causes or predictions. Nothing here is investment advice. An em-dash means no record was found under this company's name, not that none exists.

Data freshness

SEC Form D filings through Oct 23, 2026. SBIR and STTR awards through Oct 21, 2026.