KALSI ENGINEERING, INC
Fast-acting flow control valves for hydrogen fueling systems that manage pressure transients during tank switching
- Sector
- Clean tech
- Headquarters
- Sugar Land, TX
- Total capital
- $1.0M
- Federal grants
- $1.0M
- 2 awards · 2022–2023
- Rank in peer group#51 of 53
- Private capital raised
- None on recordNo Form D filings on SEC EDGAR. Some raises are not filed.
- Federal contracts
- None on recordNo federal contract awards found.
- Granted patents
- 14
- 24 pending · first 2015
- Rank in peer group#3 of 53
Capital timeline
Latest events
- Federal grantEnergy · Phase I · Project Title:Development of fast response flow control valve for gaseous hydrogen fueling of fuel cell vehicles Topic Number: C56-18C$200K
- Federal grantNASA · Phase II · Miniature passive thermal control valve for mixing or splitting single-phase fluid$800K
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 53 peers
Line = medianClean tech · Device
- Federal grantsBelow median
- Granted patents#3 · top 6%
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
No founders are linked to this company yet.
Founders appear once a person is matched to the company through its own patents, grants or filings. We never infer people from social profiles.
Checked: USPTO inventors; federal award principal investigators; SEC Form D related persons · Oct 23, 2026
Claim this profile to add your teamWhat it has protected
USPTO · 14 granted of 38- GrantedPassive Modulating Design For Fast Responding Control Valves For High Pressure Gas ApplicationsUSPTOUS 12,693,690
- GrantedBidirectional Hydrodynamic Rotary SealUSPTOUS 12,442,449
- PendingFast-responding Passive Flow Rate Limiting Valve For High Pressure Gas ApplicationsUSPTOApplication 19172310
Show all 38 patent records
- Passive Modulating Design For Fast Responding Control Valves For High Pressure Gas ApplicationsJul 28, 2026 · US 12,693,690Granted
- Bidirectional Hydrodynamic Rotary SealOct 14, 2025 · US 12,442,449Granted
- Fast-responding Passive Flow Rate Limiting Valve For High Pressure Gas ApplicationsOct 9, 2025 · Application 19172310Pending
- Miniature Passive Thermal Control Valve For Mixing Or Splitting Single-phase Fluid With Adjustable Thermal ActuatorApr 8, 2025 · US 12,271,214Granted
- Spring-loaded Gland Wall Seal Carrier For Reverse Acting Differential PressureDec 5, 2024 · Application 18680444Pending
- Passive Modulating Design For Fast Responding Control Valves For High Pressure Gas ApplicationsOct 24, 2024 · Application 18645092Pending
- Miniature Passive Thermal Control Valve For Mixing Or Splitting Single-phase Fluid With Adjustable Thermal ActuatorMay 21, 2024 · US 11,989,043Granted
- Rotary Seal And Method Of Making SameJun 6, 2023 · US 11,668,399Granted
- Seal Assembly With Anti-rotation And Stability FeaturesApr 12, 2022 · US 11,300,208Granted
- Flow Conditioning AssemblyMar 1, 2022 · US 11,261,891Granted
- Flow Conditioning AssemblyAug 10, 2021 · US 11,085,470Granted
- Seal Arrangement For Rotating EquipmentOct 8, 2019 · US 10,435,981Granted
- High Pressure Dynamic Sealing DeviceJun 25, 2019 · US 10,330,203Granted
- Seal For Bi-directional Rotation And PressureMay 28, 2019 · US 10,302,200Granted
- High Pressure Dynamic Sealing ArrangementDec 19, 2017 · US 9,845,879Granted
- Dynamic Backup Ring AssemblyAug 30, 2016 · US 9,429,238Granted
- Rotary Seal With Improved Film DistributionSep 1, 2015 · US 9,121,504Granted
- Rotary Seal And Method Of Making SameApplication PCTUS2019031527Pending
- Seal Arrangement For Rotating EquipmentApplication PCTUS2018056114Pending
- Spring-loaded Gland Wall Seal Carrier For Reverse Acting Differential PressureApplication PCTUS2024032036Pending
- Seal For Bi-directional Rotation And PressureApplication PCTUS2018032405Pending
- High Pressure Dynamic Sealing DeviceApplication PCTUS2017068511Pending
- Fast-responding Passive Flow Rate Limiting Valve For High Pressure Gas ApplicationsApplication PCTUS2025023491Pending
- Dynamic Backup Ring AssemblyApplication PCTUS2013064700Pending
- Pressure-balanced Floating Seal Housing Assembly And MethodApplication PCTUS2010058437Pending
- Rotary Seal With Truncated Wave FormApplication PCTUS2010030424Pending
- Rotary Seal With Improved Film DistributionApplication PCTUS2008010320Pending
- Stabilizing Geometry For Hydrodynamic Rotary SealsApplication PCTUS2007060111Pending
- Bidirectional Hydrodynamic Thrust BearingApplication PCTUS2006062131Pending
- Filled Hydrodynamic Seal With Contact Pressure Control, Anti-rotation Means And Filler Retention MeansApplication PCTUS2006027717Pending
- Low Torque Hydrodynamic Lip Geometry For Bi-directional Rotation SealsApplication PCTUS2006010285Pending
- Composite, High Temperature, Dynamic Seal And Method Of Making SameApplication PCTUS2006006253Pending
- Flow Conditioning AssemblyApplication PCTUS2020030990Pending
- Hydrodynamic Thrust Bearing AssemblyApplication PCTUS2006003178Pending
- Bidirectional Hydrodynamic Rotary Seal And Method Of Making SameApplication PCTUS2024018688Pending
- Fast Responding Passive Flow Rate Limiting Valve for High Pressure Gas ApplicationsApplication 63731160Pending
- Seal Assembly With Anti-rotation And Stability FeaturesApplication PCTUS2019062843Pending
- Passive Modulating Design For Fast Responding Control Valves For High Pressure Gas ApplicationsApplication PCTUS2024026061Pending
Related companies, and why
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- MICRO-TRACERS INCSimilar federal contract value in Clean tech · null in contracts
- Bio Daf USA, Inc.Similar federal contract value in Clean tech · null in contracts
- Clarity Business Holdings, Inc.Similar federal contract value in Clean tech · null in contracts
- HIGHEST WIND LLCSimilar federal contract value in Clean tech · null in contracts
Regulatory activity · Clean tech
- Air Plan Approval; Michigan; Redesignation and Maintenance Plan for the Partial St. Clair 2010 1-Hour Sulfur Dioxide (SO2) NAAQS Nonattainment AreaEnvironmental Protection Agency
- Air Plan Approval; Delaware; 2006 24-Hour Fine Particulate Matter Limited Maintenance Plan for the Philadelphia Nonattainment AreaEnvironmental Protection Agency
- Air Plan Approval; Oklahoma; Updates to the State Implementation Plan for New Source Review Permitting and General SIP ProvisionsEnvironmental Protection Agency
- Epyrifenacil; Pesticide TolerancesEnvironmental Protection Agency
- Fluoxapiprolin; Pesticide TolerancesEnvironmental Protection Agency
- Chlormequat Chloride; 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 . SBIR and STTR awards through .