GridBridge, Inc

RALEIGH, NC · Founded 2012 · Defense · Still private

Bi-directional battery isolator unit (BIU) with solid-state DC-DC converter using GaN components for military vehicle power management

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Updated Oct 23, 2026 · grid-bridge.com

Sector: Defense
Headquarters: RALEIGH, NC
Founded: 2012
Latest Form D: $500K, Nov 2014
Total capital: $1.9M

Federal grants: $1.4M; 4 awards · 2015–2017; Rank in peer group#54 of 113
Private capital raised: $500K; 1 Form D · last Nov 2014; 144 months since last filing
Federal contracts: None on recordNo federal contract awards found.
Granted patents: 5; 4 pending · first 2019; Rank in peer group#18 of 113

Capital timeline

Latest events

Feb 2017Federal grantDefense · Phase II · Gallium Nitride (GaN) Bi-Directional Battery Isolator Unit$1.0M
Feb 2016Federal grantDefense · Phase I · Modular Energy Router for Enabling Intelligent Naval Microgrids$150K
Aug 2015Federal grantDefense · Phase I · Gallium Nitride (GaN) Bi-Directional Battery Isolator Unit$100K
Jun 2015Federal grantEnergy · Phase I · High Voltage and High Density SiC-Based Topologies for Grid-Tied Battery Energy Storage Applications GER-ES)$150K
Nov 2014Private capital raisedForm D · SEC · 1st filing$500K

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 113 peers

Line = median

Defense · Device

Federal grants#54 · top 48%
Granted patents#18 · top 16%

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

Chad EckhardtResearcherExecutive Officer, DirectorLinked by 5 patents · $150K in grants as PI
Douglas P. HaenselDirectorNamed in SEC Form D filings

What it has protected

USPTO · 5 granted of 9

Jun 5, 2025PendingHighly Flexible, Electrical Distriubtion Grid Edge Energy Manager And RouterUSPTOApplication 19049448
Feb 11, 2025GrantedHighly Flexible, Electrical Distribution Grid Edge Energy Manager And RouterUSPTOUS 12,224,583
Sep 12, 2023GrantedVersatile Site Energy RouterUSPTOUS 11,757,304

Show all 9 patent records

Highly Flexible, Electrical Distriubtion Grid Edge Energy Manager And RouterJun 5, 2025 · Application 19049448Pending
Highly Flexible, Electrical Distribution Grid Edge Energy Manager And RouterFeb 11, 2025 · US 12,224,583Granted
Versatile Site Energy RouterSep 12, 2023 · US 11,757,304Granted
Highly Flexible Electrical Distribution Grid Edge Energy Manager And RouterMay 16, 2023 · US 11,652,365Granted
Highly Flexible, Electrical Distribution Grid Edge Energy Manager And RouterJan 12, 2021 · US 10,892,641Granted
Highly Flexible, Electrical Distribution Grid Edge Energy Manager And RouterOct 8, 2019 · US 10,439,432Granted
Distribution Transformer Interface Apparatus And MethodsJan 24, 2019 · Application 16144518Pending
Versatile Site Energy RouterApplication PCTUS2015043396Pending
Highly Flexible, Electrical Distribution Grid Edge Energy Manager And RouterApplication PCTUS2015022979Pending

4sight Labs AI, Inc.Similar federal contract value in Defense · null in contracts
AJA Inc.Similar federal contract value in Defense · null in contracts
COMMLARGO INCSimilar federal contract value in Defense · null in contracts
EX-IQ, INC.Similar federal contract value in Defense · null in contracts
ZENO POWER SYSTEMS, INC.Similar federal contract value in Defense · null in contracts
Prizm XR, Inc.Similar federal contract value in Defense · null in contracts

Regulatory activity · Defense

Sector-level, not company-level

11 Jun 2026Danger Zone; Waters of Carr Creek and Whitehall Bay in the Vicinity of the Naval Support Activity AnnapolisEngineers Corps
13 Mar 2026Federal Acquisition Regulation; Federal Acquisition Circular 2026-01; IntroductionNational Aeronautics and Space Administration
13 Mar 2026Federal Acquisition Regulation: Trade Agreements ThresholdsNational Aeronautics and Space Administration
13 Mar 2026Federal Acquisition Regulation; Federal Acquisition Circular 2026-01; Small Entity Compliance GuideNational Aeronautics and Space Administration
27 Aug 2025Federal Acquisition Regulation; Federal Acquisition Circular 2025-06; Small Entity Compliance GuideNational Aeronautics and Space Administration
27 Aug 2025Federal Acquisition Regulation; Federal Acquisition Circular 2025-06; IntroductionNational Aeronautics and Space Administration

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.