Proton Energy Systems, Inc.

Clean tech · Acquired

Electrochemical ammonia synthesis system using bio-inspired peptide catalysts

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Updated Oct 23, 2026 · protonenergy.com

Sector: Clean tech
Total capital: $2.7M

Federal grants: $2.7M; 7 awards · 2014–2016; Rank in peer group#4 of 47
Private capital raised: None on recordNo Form D filings on SEC EDGAR. Some raises are not filed.
Federal contracts: None on recordNo federal contract awards found.
Granted patents: 2; 21 pending · first 2019; Rank in peer group#7 of 47

Capital timeline

Latest events

Jun 2016Federal grantEnergy · Phase I · Nitrogenase Inspired Peptide-Functionalized Catalysts for Efficient, Emission-Free Ammonia Production$150K
Apr 2016Federal grantEnergy · Phase II · Economical Production of Hydrogen Through Development of Novel, High Efficiency Electrocatalysts for Alkaline Membrane Electrolysis$1M
Apr 2016Federal grantNSF · Phase II · SBIR Phase II: Hydrogen Bromine Electrolysis for Highly Efficient Hydrogen-Based Energy Storage and High Value Chemical Applications$691K
Sep 2015Federal grantAgriculture · High Efficiency Low Cost Electrochemical Ammonia Production$500K
Jun 2015Federal grantAgriculture · Emission-free, Low-maintenance And Low-energy Nitrate Water Remediation Using Microbial Fuel Cell Technology$100K
Feb 2015Federal grantEnergy · Phase I · Non-Platinum Group Metal OER/ORR Catalysts for Alkaline Membrane Fuel Cells and Electrolyzers$150K
Jun 2014Federal grantAgriculture · High Efficiency Low Cost Electrochemical Ammonia Production$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.

Standing among 47 peers

Line = median

Clean tech · System

Federal grants#4 · top 9%
Granted patents#7 · top 15%

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

USPTO · 2 granted of 23

Mar 12, 2026PendingMulti-layer Porous Transport Layer For A Membrane Electrode Assembly And Method Of Manufaturing The SameUSPTOApplication 18829959
Jun 30, 2020GrantedMembrane Electrode Assembly And Method Of Making The SameUSPTOUS 10,700,373
Apr 30, 2019GrantedElectrochemical CellUSPTOUS 10,273,586

Show all 23 patent records

Multi-layer Porous Transport Layer For A Membrane Electrode Assembly And Method Of Manufaturing The SameMar 12, 2026 · Application 18829959Pending
Membrane Electrode Assembly And Method Of Making The SameJun 30, 2020 · US 10,700,373Granted
Electrochemical CellApr 30, 2019 · US 10,273,586Granted
Electrochemical Cell With Protector Gasket ArrangementAug 20, 2015 · Application 14620412Pending
Electrochemical Cell With Protector Gasket ArrangementApplication PCTUS2015015796Pending
Electrochemical Cell With Flow Field MemberApplication PCTUS2006027822Pending
System For Monitoring The Health Of Electrical Generators And Method ThereofApplication PCTUS2005042247Pending
Electrochemical Cell Bipolar Plate With Sealing FeatureApplication PCTUS2005040456Pending
Gas Barrier For Electrochemical CellApplication PCTUS2005035144Pending
Electrochemical Cell Bipolar PlateApplication PCTUS2005035265Pending
Electrochemical Cell Bipolar PlateApplication PCTUS2005035269Pending
System For Maintaining Hydrogen Purity In Electrical Generators And Method ThreofApplication PCTUS2005033361Pending
Low Profile Electrochemical CellApplication PCTUS2005025713Pending
Hydrogen Storage System And Method Of Operation ThereofApplication PCTUS2005011719Pending
Regenerative Fuel Cell System And Method Of Operation ThereofApplication PCTUS2005004495Pending
Method For Monitoring The Operation Of Gas Sensor And System ThereforApplication PCTUS2004008991Pending
Method And System For Configuring Power Electronics In An Electrochemical Cell SystemApplication PCTUS2004003463Pending
Method And Apparatus For Providing Modular PowerApplication PCTUS2003012336Pending
Method And System For Controlling And Recovering Short Duration Bridge Power To Maximize Backup PowerApplication PCTUS2002032615Pending
Method And System For Balanced Control Of Backup PowerApplication PCTUS2002032650Pending
Membrane Electrode Assembly And Method Of Making The SameApplication PCTUS2017047082Pending
Membrane Electrode Assembly And Method Of Making The SameApplication 62379311Pending
Electrochemical CellApplication PCTUS2015015787Pending

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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.