UltraCell LLC

Livermore, CA · Founded 2002 · Energy · Acquired

Methanol fuel cell systems with integrated steam reformer and PEMFC for portable power generation

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Updated Oct 23, 2026 · ultracell-llc.com

Sector: Energy
Headquarters: Livermore, CA
Founded: 2002
Latest Form D: $750K, Apr 2010
Total capital: $3.3M

Federal grants: $1.6M; 3 awards · 2015–2020; Rank in peer group#12 of 47
Private capital raised: $1.8M; 2 Form D · last Apr 2010; 198 months since last filing
Federal contracts: None on recordNo federal contract awards found.
Granted patents: 1; 13 pending · first 2022; Rank in peer group#19 of 47

Capital timeline

Latest events

Jul 2020Federal grantDefense · Phase II · 500W Modular Power Source$678K
May 2019Federal grantDefense · Phase I · Modular Power Source using Methanol-Containing Fluids as Fuel$155K
Apr 2015Federal grantDefense · Phase II · RIPPED UAV - Renewable Integrated Propulsion Power Electric Delivery for UAV's$750K
Apr 2010Private capital raisedForm D · SEC · 2nd filing$750K
May 2009Private capital raisedForm D · SEC · 1st filing$1M

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

Energy · Device

Federal grants#12 · top 26%
Granted patents#19 · top 40%
Linked publications#1 · top 2%

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

From SEC Form D filings

Bob ZapotoskyExecutive OfficerNamed in SEC Form D filings
Jason RottenbergDirectorNamed in SEC Form D filings
Keith GillardDirectorNamed in SEC Form D filings
Keith ScottExecutive Officer, DirectorNamed in SEC Form D filings
Ron CoddDirectorNamed in SEC Form D filings

What it has protected

USPTO · 1 granted of 14

Dec 29, 2022PendingHeat And Chemical Resistant Sealants For Fuel CellsUSPTOApplication 17849348
Dec 29, 2022PendingFuselage Heat Exchanger For Cooling Power Source For Unmanned Aerial Vehicles (uavs)USPTOApplication 17848306
Dec 29, 2022PendingFuel Cell SystemUSPTOApplication 17849456

Show all 14 patent records

Heat And Chemical Resistant Sealants For Fuel CellsDec 29, 2022 · Application 17849348Pending
Fuselage Heat Exchanger For Cooling Power Source For Unmanned Aerial Vehicles (uavs)Dec 29, 2022 · Application 17848306Pending
Fuel Cell SystemDec 29, 2022 · Application 17849456Pending
Fuel Cell Power SystemsOct 6, 2022 · Application 17711846Pending
Filtration Systems And MethodsApr 19, 2022 · US 11,305,232Granted
Modular Fuel Cell ArchitectureApplication 63170065Pending
Purification Of Windshield Washer Fluids With Multiple Reverse Osmosis FiltersApplication 62972731Pending
Purification Of Windshield Washer Fluids Using Multi-stage Filtration SystemsApplication 62957053Pending
Purification Of Windshield Washer Fluids Using Membrane Separation ProcessesApplication 62889973Pending
Using Windshield Wiper Fluid As Fuel Cell Fuel SourceApplication 62856325Pending
Fuel Cell Power ManagementApplication 63214959Pending
Fuel Cell SystemApplication 63215180Pending
Micro-channel Drone Fuselage Heat Exchanger For Cooling Power SourceApplication 63215046Pending
Heat And Chemical Resistant Sealants For Fuel CellsApplication 63215326Pending

Recent research by its founders

Concentrating ammonium waste with water electrolysis-driven osmotic membrane distillation for fertilizer production20261 cites
Electrochemical Desalination–Concentration Strategy Facilitating Uranium Extraction from Saline Solution20260 cites
Regulating the Adsorption Configuration of Intermediates to Construct C─N Bonds From CO 2 for High‐Efficiency N , N ‐Dimethylformamide Electrosynthesis20260 cites

VIA SCIENCE INCSimilar federal contract value in Energy · null in contracts
TOLEDO SOLAR INCSimilar federal contract value in Energy · null in contracts
EVOSEER LLCSimilar federal contract value in Energy · null in contracts
BREK ELECTRONICS CORP.Similar federal contract value in Energy · null in contracts
Shadow Power, Inc.Similar federal contract value in Energy · null in contracts
INENTEC, INC.Similar federal contract value in Energy · null in contracts

Regulatory activity · Energy

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
01 Jul 2026List of Approved Spent Fuel Storage Casks: NAC International, Inc., MAGNASTOR® Storage System, Certificate of Compliance No. 1031, Amendment Nos. 16 and 17 and Revisions to Amendment Nos. 0 Through 16Nuclear Regulatory Commission
30 Jun 2026Epyrifenacil; Pesticide TolerancesEnvironmental Protection Agency
30 Jun 2026Fluoxapiprolin; 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.