BIVACOR INC

Houston, TX · Medtech · Private

Implantable artificial heart device for end-stage heart failure patients

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Updated Oct 23, 2026 · bivacor.com

Sector: Medtech
Headquarters: Houston, TX
Latest Form D: $9M, Aug 2024
Total capital: $36.4M

Federal grants: $12.4M; 11 awards · 2017–2023; Rank in peer group#226 of 538
Private capital raised: $24M; 2 Form D · last Aug 2024; 27 months since last filing
Federal contracts: None on recordNo federal contract awards found.
Granted patents: 7; 11 pending · first 2020; Rank in peer group#86 of 538

Capital timeline

Latest events

Aug 2024Private capital raisedForm D · SEC · 2nd filing$9M
Jul 2023Federal grantHealth and Human S · Phase II · The first clinical use of the BiVACOR Total Artificial Heart$1.6M
Jul 2023Federal grantHealth and Human S · Phase II · Urgent and unmet need for a long-term solution for increasing pediatric heart-failure population: BiVACOR Rotary Total Artificial Heart$565K
May 2023Federal grantHealth and Human S · Phase II · BiVACOR - A Physiological, Durable and Blood-Friendly Total Artificial Heart$995K
Feb 2023Private capital raisedForm D · SEC · 1st filing$15M
Aug 2022Federal grantHealth and Human S · Phase II · Urgent and unmet need for a long-term solution for increasing pediatric heart-failure population: BiVACOR Rotary Total Artificial Heart$1.1M
May 2022Federal grantHealth and Human S · Phase II · BiVACOR - A Physiological, Durable and Blood-Friendly Total Artificial Heart$998K

Show 6 earlier federal awards

Aug 2021Federal grantHealth and Human S · Phase I · Urgent and unmet need for a long-term solution for increasing pediatric heart-failure population: BiVACOR Rotary Total Artificial Heart$2M
Aug 2021Federal grantHealth and Human S · Phase II · Urgent and unmet need for a long-term solution for increasing pediatric heart-failure population: BiVACOR Rotary Total Artificial Heart$255K
May 2021Federal grantHealth and Human S · Phase II · BiVACOR - A Physiological, Durable and Blood-Friendly Total Artificial Heart$1.0M
Aug 2018Federal grantHealth and Human S · Phase II · BiVACOR Rotary Total Artificial Heart$805K
Sep 2017Federal grantHealth and Human S · Phase II · BiVACOR Rotary Total Artificial Heart$2M
Aug 2017Federal grantHealth and Human S · Phase II · BiVACOR Rotary Total Artificial Heart$1.2M

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.

Federal first

66months

from BIVACOR INC’s first federal award to its first private round.

First federal award · Aug 2017: Health and Human S · $1.2M
First Form D · Feb 2023: $15M · 1st Form D
Awards before first raise: 8 awards

An association in public records, not a cause or a prediction.

Standing among 538 peers

Line = median

Medtech · Device

Federal grants#226 · top 42%
Granted patents#86 · top 16%
Linked publications#25 · top 5%

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

Daniel TimmsResearcherExecutive Officer, DirectorLinked by 4 patents · $12.4M in grants as PI
Bihua ChenDirectorNamed in SEC Form D filings
James DillonExecutive Officer, DirectorNamed in SEC Form D filings
Jeannette JoughinDirectorNamed in SEC Form D filings
Matt MackeyDirectorNamed in SEC Form D filings
Paul KellyDirectorNamed in SEC Form D filings

Show all 10 people

Raymond W. CohenDirectorNamed in SEC Form D filings
Raymond KelleherDirectorNamed in SEC Form D filings
Tom VassiliadesExecutive Officer, DirectorNamed in SEC Form D filings
William E. CohnDirectorNamed in SEC Form D filings

What it has protected

USPTO · 7 granted of 18

Mar 28, 2024PendingHeart PumpUSPTOApplication 18493132
Dec 5, 2023GrantedHeart PumpUSPTOUS 11,833,341
Nov 28, 2023GrantedHeart Pump With Impeller Rotational Speed ControlUSPTOUS 11,826,558

Show all 18 patent records

Heart PumpMar 28, 2024 · Application 18493132Pending
Heart PumpDec 5, 2023 · US 11,833,341Granted
Heart Pump With Impeller Rotational Speed ControlNov 28, 2023 · US 11,826,558Granted
Heart Pump Drive And BearingJun 8, 2023 · Application 18084011Pending
Heart Pump Drive And BearingMay 23, 2023 · US 11,654,274Granted
Heart Pump With Impeller Rotational Speed ControlMar 22, 2022 · US 11,278,712Granted
Heart PumpOct 26, 2021 · US 11,154,703Granted
Heart Pump With Impeller Axial Position ControlMar 30, 2021 · US 10,960,200Granted
Heart PumpJan 28, 2020 · US 10,543,301Granted
Heart Pump Drive And BearingApplication 62539083Pending
Heart Pump Drive And BearingApplication 62482048Pending
Heart PumpApplication PCTUS2017012503Pending
Heart Pump With Impeller Axial Position ControlApplication PCTUS2017012508Pending
Heart Pump With Impeller Rotational Speed ControlApplication PCTUS2017012506Pending
Parameter CalculationApplication 63502505Pending
Parameter Calculation Of A Blood PumpApplication 19484708Pending
Parameter CalculationApplication PCTUS2024029438Pending
Heart Pump Drive And BearingApplication PCTUS2018026265Pending

Recent research by its founders

In Vitro Hemocompatibility of the <scp>BiVACOR</scp> Total Artificial Heart in Continuous and Pulsatile Flow20254 cites
In Vitro Hemocompatibility of the BiVACOR Total Artificial Heart Near the Boundaries of Clinical Operation20252 cites
Initial Clinical Experience with the BiVACOR Total Artificial Heart20251 cites

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Regulatory activity · Medtech

Sector-level, not company-level

07 Jul 2026New Animal Drugs; Approval of New Animal Drug Applications; Withdrawal of Approval of New Animal Drug Application; Change of SponsorFood and Drug Administration
30 Jun 2026Medical Devices; General and Plastic Surgery Devices; Classification of the Skin Patch for Treatment of HyperhidrosisFood and Drug Administration
30 Jun 2026Medical Devices; Anesthesiology Devices; Classification of the Monitor for Opioid Induced Impairment of OxygenationFood and Drug Administration
29 Jun 2026Medical Devices; Orthopedic Devices; Classification of the Medial Knee Implanted Shock AbsorberFood and Drug Administration
26 Jun 2026Medical Devices; Neurological Devices; Classification of the External Lower Extremity Nerve Stimulator for Restless Legs SyndromeFood and Drug Administration
26 Jun 2026Medical 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 Oct 23, 2026. SBIR and STTR awards through Oct 21, 2026.