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| Art Unit: | 3753 — Fluid handling |
|---|---|
| Group: | 3750 — Fluid Handling and Dispensing |
| Classes: |
251 — Valves and valve actuation 137 — Fluid handling 141 — Fluent material handling, with receiver or receiver coacting means 222 — Dispensing 310 — Electrical generator or motor structure 454 — Ventilation 166 — Wells 239 — Fluid sprinkling, spraying, and diffusing 494 — Imperforate bowl: centrifugal separators 604 — Surgery |
| Phone: | (571) 272-2711 |
| Email: | andrew.rost@uspto.gov |
| Location: | VA 22314 |
| Title: | Pat Examnr Mechl Engrg |
| Service: | 21 years |
| Grade: | GS-12 |
| 3-Year Grant rate: | 69% over 267 cases |
|---|---|
| Difficulty: | Harder |
| Difficulty Percentile: | 63rd
|
With Examiner Rost, you have a 69% chance of getting an issued patent by 3 years after the first office action. Examiner Rost is a harder examiner and in the 63rd percentile across all examiners (with 100th percentile most difficult).
Below is the grant rate timeline for Examiner Rost, where the timeline is relative to the date of the first office action. The three-year grant rate is the percentage of applications granted at three years after the first office action.
Examiner Rost's grant rate is lower than that of Art Unit 3753 and lower than that of the USPTO.
| Average Office Actions Per Grant | |
|---|---|
| Examiner Rost | 1.8 |
| Art Unit 3753 | 1.3 |
Examiner Rost has granted 139 of 210 cases without any applicant-requested interviews for a grant rate of 66%.
Examiner Rost has granted 45 of 57 cases with at least one applicant-requested interview for a grant rate of 79%.
With Examiner Rost, conducting an interview increases your chance of getting a patent granted by 20%.
| Number | Title | OA Rejections | Status | IFW |
|---|---|---|---|---|
| 17612654 | Evaporative Cooler Operable In A Range Of Mounting Angles | Rejection information available with a Premium Stats subscription. See our pricing. | Patented | View |
| 19298508 | Low-Spill Coupling Assembly | Patented | View | |
| 18628893 | Inlet Controlled Regulating Valve | Patented | View | |
| 18381912 | Damping Adjuster | Patented | View | |
| 18296366 | Eccentric Process Control Valve | Patented | View | |
| 17026396 | Fitting Nut, Fitting, Fluid Pressure Device, And Fluid Control System | Patented | View | |
| 18580903 | Non-Return Valve For A Flow Channel Through Which A Flow Of Air Flows | Patented | View | |
| 18151303 | Wide Range Tapping Sleeve | Patented | View | |
| 18095882 | Vent Assembly | Patented | View | |
| 19110934 | System For Operating A Valve | Patented | View | |
| 18632692 | Nut Turning Tool And Fitting Nut Turning Method | Patented | View | |
| 18687972 | An Improved Conical Element For Gas Passage In Multi-Stage Gas Taps | Abandoned | View | |
| 18650548 | Valve Drive And Method Of Cleaning A Valve | Patented | View | |
| 17241258 | Ball Valve With Internal Seal Arrangement, In Particular For Use In Motor Vehicle Refrigerant Circuits | Abandoned | View | |
| 17913052 | Pinch Valve | Patented | View | |
| 18275187 | Phononic Subsurface For Controlling Hypersonic Flow | Abandoned | View | |
| 18662795 | Device For Supplying Liquid At Constant Amount And Method For Controlling Same | Patented | View | |
| 18999210 | Low-Spill Coupling Assembly | Patented | View | |
| 18430971 | Pinch Valve Tubes Useful With Pinch Valve Systems | Patented | View | |
| 18608751 | Seal Assemblies And Related Valves And Methods | Patented | View | |
| 17802330 | Closing Member Of A Gas Valve For Very High Pressure | Patented | View | |
| 18767066 | Low-Spill Coupling Assembly | Patented | View | |
| 18768597 | Low-Spill Coupling Assembly | Patented | View | |
| 19233499 | Low-Spill Coupling Assembly | Patented | View | |
| 18500454 | Bop Piston Booster And Bonnet Assembly | Patented | View | |
| 18008172 | A Low Pressure Fluid Flow Control Valve | Patented | View | |
| 18275067 | Valve, In Particular A Vacuum Valve | Patented | View | |
| 18110824 | Battery-Powered Meter Coupling Valve | Abandoned | View | |
| 17627760 | Discharge Connection For The Separated Discharge Of Fluids Of Different Densities | Abandoned | View | |
| 18368144 | High Conductance Variable Orifice Valve | Patented | View | |
| 18518812 | Inflating Connector | Patented | View | |
| 18465030 | Barrel Valve | Patented | View | |
| 17711350 | Stopcock, Plug For A Stopcock, And Method For Producing A Plug For A Stopcock | Patented | View | |
| 18532514 | Low-Spill Coupling Assembly | Patented | View | |
| 18320027 | Hammer Shear Ram | Patented | View | |
| 17896768 | Valve Packing Apparatus And Related Methods | Patented | View | |
| 18161357 | Pinch Valve | Patented | View | |
| 17480435 | Control Valve Position Detection | Patented | View | |
| 19000329 | Charging Complete Device For Hollow Sphere | Patented | View | |
| 18947601 | Multi-Pump Linkage Grouting Operating System | Patented | View | |
| 18313028 | Fluid Transfer Device And Method Of Use For Same | Patented | View | |
| 18041848 | Integration Box And Pneumatic High Vacuum Flapper Valve | Patented | View | |
| 17320744 | Fluid Control Valve System And Methods | Patented | View | |
| 17917066 | Diversion Device, Series Of Diversion Devices And Use Of A Standard Interface For Fastening Different Variants Of Diversion Devices | Abandoned | View | |
| 18509706 | Ringless Zero Clearance Closure | Patented | View | |
| 18474586 | Side Packer For A Blowout Preventer | Patented | View | |
| 17921685 | Valve | Patented | View | |
| 18053214 | Timer With Flare Fittings And Tactile Dial | Patented | View | |
| 17828809 | Modular Valve Assembly | Patented | View | |
| 16995631 | Valves | Patented | View |
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Disclaimer: We do not provide any guarantees as to the accuracy of the statistics presented above and under
no circumstances will we be liable for any outcome resulting from your reliance on the above statistics.