EndoSound, Inc.
Endoscopic ultrasound imaging system that attaches to standard endoscopes
- Sector
- Medtech
- Headquarters
- PORTLAND, OR
- Founded
- 2020
- Latest Form D
- $250K, Jun 2026
- Total capital
- $3.1M
- Federal grants
- None on recordNo awards found in SBIR/STTR, NIH, NSF or DoD records.
- Private capital raised
- $3.1M
- 5 Form D · last Jun 2026
- 4 months since last filing
- Federal contracts
- None on recordNo federal contract awards found.
- Granted patents
- 4
- 16 pending · first 2024
- Rank in peer group#337 of 1112
Capital timeline
Latest events
- Private capital raisedForm D · SEC · 5th filing$250K
- Private capital raisedForm D · SEC · 4th filing$50K
- Private capital raisedForm D · SEC · 3rd filing$2.4M
- Private capital raisedForm D · SEC · 2nd filing$50K
- Private capital raisedForm D · SEC · 1st filing$361K
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 1112 peers
Line = medianMedtech · Device
- Granted patents#337 · top 30%
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- Brian TinkhamDirectorNamed in SEC Form D filings
- Morris SandlerDirectorNamed in SEC Form D filings
- Nicholas PuroDirectorNamed in SEC Form D filings
- Scott AldrichExecutive OfficerNamed in SEC Form D filings
- Scott CorbettExecutive Officer, Director, PromoterNamed in SEC Form D filings
- Stephen SteinbergExecutive Officer, Director, PromoterNamed in SEC Form D filings
Show all 7 people
- William RhodesDirectorNamed in SEC Form D filings
What it has protected
USPTO · 4 granted of 20- New patentUltrasonic Attachment Assembly For An EndoscopeUSPTOUS 12,751,601
- PendingDevices, Systems, And Methods For Using An Integral Adaptor To Couple An Accessory With An Incompatible Connector To An EndoscopeUSPTOApplication 19482507
- PendingDevices, Systems, And Methods For Guiding An Endoscope Instrument And Selectively Moving An Attachable Ultrasound AssemblyUSPTOApplication 19155387
Show all 20 patent records
- Ultrasonic Attachment Assembly For An EndoscopeOct 6, 2026 · US 12,751,601Granted
- Devices, Systems, And Methods For Using An Integral Adaptor To Couple An Accessory With An Incompatible Connector To An EndoscopeApr 30, 2026 · Application 19482507Pending
- Devices, Systems, And Methods For Guiding An Endoscope Instrument And Selectively Moving An Attachable Ultrasound AssemblyApr 23, 2026 · Application 19155387Pending
- Steerable Ultrasound Attachment For EndoscopeApr 16, 2026 · Application 19407699Pending
- Steerable Ultrasound Attachment For EndoscopeMar 26, 2026 · Application 19407765Pending
- Devices, Systems, And Methods For Securely And Selectively Attaching An Ultrasound Accessory To An EndoscopeMar 3, 2026 · US 12,564,375Granted
- Steerable Ultrasound Attachment For EndoscopeJan 6, 2026 · US 12,514,432Granted
- Ultrasonic Attachment Assembly For An EndoscopeJan 1, 2026 · Application 19106695Pending
- Devices, Systems, And Methods For Extending An EndoscopeJul 18, 2024 · Application 18562303Pending
- Steerable Ultrasound Attachment For EndoscopeMar 19, 2024 · US 11,930,999Granted
- Steerable Ultrasound Attachment For EndoscopeJan 5, 2023 · Application 17813130Pending
- Ultrasonic Attachment Assembly For An EndoscopeApplication 63373724Pending
- Device, Systems, And Methods For Selectively Attaching An Ultrasound Head To An EndoscopeApplication 19504529Pending
- Devices, Systems, And Methods For Guiding An Endoscope Instrument And Selectively Moving An Attachable Ultrasound AssemblyApplication 63484556Pending
- Devices, Systems, And Methods For Using An Integral Adaptor To Couple An Accessory With An Incompatible Connector To An EndoscopeApplication PCTUS2024033140Pending
- Device, Systems, And Methods For Selectively Attaching An Ultrasound Head To An EndoscopeApplication 63654783Pending
- Devices, Systems, And Methods For Guiding An Endoscope Instrument And Selectively Moving An Attachable Ultrasound AssemblyApplication PCTUS2024015362Pending
- Ultrasonic Attachment Assembly For An EndoscopeApplication PCTUS2023072754Pending
- Devices, Systems, And Methods For Using An Integral Adaptor To Couple An Accessory With An Incompatible Connector To An EndoscopeApplication 63507280Pending
- Device, Systems, And Methods For Selectively Attaching An Ultrasound Head To An EndoscopeApplication PCTUS2025031882Pending
Related companies, and why
- Imagin Medical Inc.Similar federal contract value in Medtech · null in contracts
- Pacific Diabetes TechnologiesSimilar federal contract value in Medtech · null in contracts
- FLOREO, INC.Similar federal contract value in Medtech · null in contracts
- APPLIKATE TECHNOLOGIES, INC.Similar federal contract value in Medtech · null in contracts
- BREVITEST TECHNOLOGIES, INC.Similar federal contract value in Medtech · null in contracts
- PHOTOPHARMICS, INC.Similar federal contract value in Medtech · null in contracts
Regulatory activity · Medtech
- New Animal Drugs; Approval of New Animal Drug Applications; Withdrawal of Approval of New Animal Drug Application; Change of SponsorFood and Drug Administration
- Medical Devices; General and Plastic Surgery Devices; Classification of the Skin Patch for Treatment of HyperhidrosisFood and Drug Administration
- Medical Devices; Anesthesiology Devices; Classification of the Monitor for Opioid Induced Impairment of OxygenationFood and Drug Administration
- Medical Devices; Orthopedic Devices; Classification of the Medial Knee Implanted Shock AbsorberFood and Drug Administration
- Medical Devices; Neurological Devices; Classification of the External Lower Extremity Nerve Stimulator for Restless Legs SyndromeFood and Drug Administration
- Medical Devices; General Hospital and Personal Use Devices; Classification of the Infant Supine Sleep SystemFood and Drug 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 . SBIR and STTR awards through .