ALTERG INC
Precision pneumatic unweighting treadmill with real-time gait analytics and video feedback
- Sector
- Medtech
- Headquarters
- FREMONT, CA
- Latest Form D
- $5.6M, Aug 2018
- Total capital
- $17.9M
- Federal grants
- None on recordNo awards found in SBIR/STTR, NIH, NSF or DoD records.
- Private capital raised
- $17.9M
- 3 Form D · last Aug 2018
- 98 months since last filing
- Federal contracts
- None on recordNo federal contract awards found.
- Granted patents
- 20
- 20 pending · first 2015
- Rank in peer group#112 of 1112
Capital timeline
Latest events
- Private capital raisedForm D · SEC · 3rd filing$5.6M
- Private capital raisedForm D · SEC · 2nd filing$10.3M
- Private capital raisedForm D · SEC · 1st filing$2M
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#112 · top 10%
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- Charles RemsbergResearcherExecutive Officer, DirectorLinked by 2 patents
- Amir R. BelsonDirectorNamed in SEC Form D filings
- Antonio MoraDirectorNamed in SEC Form D filings
- David GrenewetzkiDirectorNamed in SEC Form D filings
- Edward UnkartDirectorNamed in SEC Form D filings
- Kevin DavidgeExecutive OfficerNamed in SEC Form D filings
Show all 11 people
- Lars BarfodExecutive Officer, DirectorNamed in SEC Form D filings
- Mark McKeeDirectorNamed in SEC Form D filings
- Ross R. JaffeDirectorNamed in SEC Form D filings
- Steve BastaExecutive Officer, DirectorNamed in SEC Form D filings
- William R. PottsDirectorNamed in SEC Form D filings
What it has protected
USPTO · 20 granted of 40- GrantedGait Data Collection And Analytics System And Methods For Operating Unweighting Training SystemsUSPTOUS 12,654,062
- GrantedDifferential Air Pressure SystemsUSPTOUS 12,239,595
- GrantedSystem For Unweighting A User And Related Methods Of ExerciseUSPTOUS 12,226,668
Show all 40 patent records
- Gait Data Collection And Analytics System And Methods For Operating Unweighting Training SystemsJun 16, 2026 · US 12,654,062Granted
- Differential Air Pressure SystemsMar 4, 2025 · US 12,239,595Granted
- System For Unweighting A User And Related Methods Of ExerciseFeb 18, 2025 · US 12,226,668Granted
- Differential Air Pressure Systems And Methods Of Using And Calibrating Such Systems For Mobility Impaired UsersDec 31, 2024 · US 12,178,772Granted
- Systems, Methods And Apparatus For Differential Air Pressure DevicesDec 24, 2024 · US 12,171,715Granted
- Method Of Gait Evaluation And Training With Differential Pressure SystemJul 25, 2024 · Application 18476016Pending
- Pressure Chamber And Lift For Differential Air Pressure System With Medical Data Collection CapabilitiesJun 13, 2024 · Application 18450961Pending
- Gait Data Collection And Analytics System And Methods For Operating Unweighting Training SystemsApr 16, 2024 · US 11,957,954Granted
- Method Of Gait Evaluation And Training With Differential Pressure SystemNov 7, 2023 · US 11,806,564Granted
- Differential Air Pressure Systems And Methods Of Using And Calibrating Such Systems For Mobility Impaired UsersSep 12, 2023 · US 11,752,058Granted
- System For Unweighting A User And Related Methods Of ExerciseMay 23, 2023 · US 11,654,327Granted
- Pressure Chamber And Lift For Differential Air Pressure System With Medical Data Collection CapabilitiesFeb 23, 2023 · Application 17713064Pending
- Systems And Methods For Management And Scheduling Of Differential Air Pressure And Other Unweighted Or Assisted Treatment SystemsFeb 24, 2022 · Application 17220783Pending
- Systems, Methods And Apparatus For Differential Air Pressure DevicesAug 19, 2021 · Application 17033645Pending
- Differential Air Pressure SystemsJul 8, 2021 · Application 16997865Pending
- System, Method And Apparatus For Applying Air Pressure On A Portion Of The Body Of An IndividualJul 1, 2021 · Application 16992025Pending
- Orthotic Device Drive System And MethodMay 18, 2021 · US 11,007,105Granted
- Pressure Chamber And Lift For Differential Air Pressure System With Medical Data Collection CapabilitiesDec 10, 2020 · Application 16742718Pending
- Method Of Gait Evaluation And Training With Differential Pressure SystemJul 16, 2020 · Application 16505573Pending
- Systems And Methods For Management And Scheduling Of Differential Air Pressure And Other Unweighted Or Assisted Treatment SystemsDec 26, 2019 · Application 16254503Pending
- Cantilevered Unweighting SystemsDec 3, 2019 · US 10,493,309Granted
- Method Of Gait Evaluation And Training With Differential Pressure SystemJul 9, 2019 · US 10,342,461Granted
- Support Frame And Related Unweighting SystemApr 23, 2019 · US 10,265,565Granted
- Therapeutic Method And Device For RehabilitationJan 15, 2019 · US 10,179,078Granted
- Systems, Methods And Apparatus For Differential Air Pressure DevicesJun 26, 2018 · US 10,004,656Granted
- Monocolumn Unweighting SystemsMar 13, 2018 · US 9,914,003Granted
- Orthotic Device Drive System And MethodFeb 13, 2018 · US 9,889,058Granted
- Pressure Chamber And Lift For Differential Air Pressure System With Medical Data Collection CapabilitiesMay 11, 2017 · Application 15319629Pending
- Differential Air Pressure SystemsMay 9, 2017 · US 9,642,764Granted
- System, Method And Apparatus For Applying Air Pressure On A Portion Of The Body Of An IndividualJan 19, 2017 · Application 15046358Pending
- Methods And Devices For Deep Vein Thrombosis PreventionOct 25, 2016 · US 9,474,673Granted
- Multi-mode Active Orthotic SensorJun 30, 2016 · Application 14932796Pending
- Unweighting Garments For Simultaneous Use With Unweighting And Fall Safety SystemsMar 17, 2016 · Application 14852401Pending
- Unweighting GarmentsJan 7, 2016 · Application 14769116Pending
- Systems And Methods For Management And Scheduling Of Differential Air Pressure And Other Unweighted Or Assisted Treatment SystemsDec 31, 2015 · Application 14769113Pending
- Foot Pad Device And Method Of Obtaining Weight DataSep 15, 2015 · US 9,131,873Granted
- System, Method And Apparatus For Applying Air Pressure On A Portion Of The Body Of An IndividualJan 8, 2015 · Application 14494270Pending
- Intention-based Therapy Device And MethodJul 24, 2014 · Application 14225186Pending
- Orthotic Device SensorJun 27, 2013 · Application 13709832Pending
- Differential Air Pressure Systems And Methods Of Using And Calibrating Such Systems For Mobility Impaired UsersApplication PCTUS2012029554Pending
Related companies, and why
- NEXT HEALTH, LLCSimilar federal contract value in Medtech · null in contracts
- Digital Diagnostics Inc.Similar federal contract value in Medtech · null in contracts
- Flow Forward Medical, Inc.Similar federal contract value in Medtech · null in contracts
- Synaptive Medical Inc.Similar federal contract value in Medtech · null in contracts
- Route 92 Medical, Inc.Similar federal contract value in Medtech · null in contracts
- iPACES LLCSimilar 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 .