OXBYEL TECHNOLOGIES INC.

MESA, AZ · Clean tech · Private

Electrochemical PFAS remediation system using a radial-field electrolyzer with optimized anode electrocatalyst for groundwater treatment

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Updated Oct 23, 2026 · oxbyel.com

Sector: Clean tech
Headquarters: MESA, AZ
Latest Form D: $100K, Aug 2025
Total capital: $1.5M

Federal grants: $1.3M; 3 awards · 2021–2024; Rank in peer group#17 of 53
Private capital raised: $100K; 1 Form D · last Aug 2025; 14 months since last filing
Federal contracts: $100K; 1 award · Environmental Prot; Rank in Clean tech#104 of 914
Granted patents: 1; 4 pending · first 2023; Rank in peer group#17 of 53

Capital timeline

Latest events

Aug 2025Private capital raisedForm D · SEC · 1st filing$100K
Mar 2024Federal grantNSF · Phase II · SBIR Phase II: A Cost-Effective Per- and Polyfluoroalkyl Substance (PFAS) Electrolyzer for Groundwater Remediation$1.0M
Dec 2021Federal grantNSF · Phase I · SBIR Phase I:A Cost-Effective Per- and Polyfluoroalkyl Substance (PFAS_ Electrolyzer for Groundwater Remediation$275K
Feb 2021Federal grantDefense · Phase I · OxByEl Technologies USAF Platform$50K
May 2019Federal contractEnvironmental Prot · Oxbyel Technologies, Inc. SBIR Phase I$100K

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.

Federal first

76months

from OXBYEL TECHNOLOGIES INC.’s first federal award to its first private round.

First federal award · May 2019: Environmental Prot · $100K
First Form D · Aug 2025: $100K · 1st Form D
Awards before first raise: 4 awards

An association in public records, not a cause or a prediction.

Standing among 53 peers

Line = median

Clean tech · Device

Federal grants#17 · top 32%
Granted patents#17 · top 32%

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

Researcher links verified by same-company patents and grants

Colleen LegzdinsResearcherExecutive Officer, DirectorLinked by 1 patent · $1.3M in grants as PI
Ed RicciExecutive Officer, DirectorNamed in SEC Form D filings

What it has protected

USPTO · 1 granted of 5

Apr 30, 2026PendingApparatus, System And Methods For Water Purification With Zero Liquid Discharge And Resource RecoveryUSPTOApplication 18929806
May 23, 2024PendingWater Treatment Process Incorporating A Split Cell Electrochemical ReactorUSPTOApplication 17990877
Jun 20, 2023GrantedMethod And Apparatus For Electrochemical Purification Of WastewaterUSPTOUS 11,679,998

Show all 5 patent records

Apparatus, System And Methods For Water Purification With Zero Liquid Discharge And Resource RecoveryApr 30, 2026 · Application 18929806Pending
Water Treatment Process Incorporating A Split Cell Electrochemical ReactorMay 23, 2024 · Application 17990877Pending
Method And Apparatus For Electrochemical Purification Of WastewaterJun 20, 2023 · US 11,679,998Granted
Apparatus, System And Methods For Water Purification With Zero Liquid Discharge And Resource RecoveryApplication PCTUS2025052334Pending
Method And Apparatus For Electrochemical Purification Of WastewaterApplication 62691803Pending

PURAFIDE, LLCSimilar federal contract value in Clean tech · $100K in contracts
CATAPOWER INCSimilar federal contract value in Clean tech · $100K in contracts
ORPC Holdings, LLCSimilar federal contract value in Clean tech · $100K in contracts
SIMONPIETRI ENTERPRISES LLCSimilar federal contract value in Clean tech · $100K in contracts
INFINITE COOLING INC.Similar federal contract value in Clean tech · $100K in contracts
CYCLOPURE, INC.Similar federal contract value in Clean tech · $100K 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.