Examiner Zerphey Christopher R

3799-ZERPHEY-CHRISTOPHER-R

Employment Information

Art Unit:3799 — Surgery
Group:3700 Search — Search and Classification
Classes: 165 — Heat exchange
236 — Automatic temperature and humidity regulation
600 — Surgery
454 — Ventilation
296 — Land vehicles: bodies and tops
361 — Electricity: electrical systems and devices
222 — Dispensing
366 — Agitating
206 — Special receptacle or package
252 — Compositions
Phone:(571) 272-5965
Email:christopher.zerphey@uspto.gov
Location:VA 22314
Title:Pat Examnr
Service:14 years
Grade:GS-14

Grant Rate and Difficulty Ranking

74
3-Year Grant rate: 58% over 297 cases
Difficulty: Harder
Difficulty Percentile: 74th

With Examiner Zerphey, you have a 58% chance of getting an issued patent by 3 years after the first office action. Examiner Zerphey is a harder examiner and in the 74th percentile across all examiners (with 100th percentile most difficult).

Grant Rate

Grant Rate Timeline

Below is the grant rate timeline for Examiner Zerphey, 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.

Comparison with Art Unit 3799

Examiner Zerphey's grant rate is lower than that of Art Unit 3799 and lower than that of the USPTO.

Average Office Actions Per Grant
Examiner Zerphey 1.9
Art Unit 3799 1.4

Interview Benefit

Grant Rate without Interview

Examiner Zerphey has granted 110 of 193 cases without any applicant-requested interviews for a grant rate of 57%.

Grant Rate with Interview

Examiner Zerphey has granted 62 of 104 cases with at least one applicant-requested interview for a grant rate of 60%.

Interview Benefit

With Examiner Zerphey, conducting an interview increases your chance of getting a patent granted by 5%.

Recent Dispositions

Recent Dispositions

Number Title OA Rejections Status IFW
18280538 Hot Water Supply Tank Rejection information available with a Premium Stats subscription. See our pricing. Patented View
18462788 Vehicle Cooling Using External Fluid Source Patented View
18512482 Air Conditioning System Using Heat Pump And Air Heating Device Patented View
18314182 Transport Refrigeration Energy Storage System Abandoned View
18330688 Air Conditioner Patented View
18567035 Refrigeration Cycle Apparatus Patented View
18281007 A Buffered Balanced Type Mobile Primary-Secondary Air Conditioner System Patented View
18534569 Gas-Liquid Separator And Air Conditioning Device Patented View
18179534 Cooling System For Vehicle Abandoned View
18563164 Degradable, Biodegradable, And/or Compostable Packages Containing Phase Change Material Abandoned View
18510543 Multi-Split Air-Conditioning System And Method For Air Conditioning Abandoned View
16026313 Liquid Submerged, Horizontal Computer Server Rack And Systems And Method Of Cooling Such A Server Rack Patented View
18510524 Refrigeration System And Device Provided With Refrigeration Apparatus Abandoned View
18036764 Portable Air Conditioner Comprising A Transport Unit And Transport Unit Abandoned View
18448507 Water Removal System Including An Absorption Chiller System And A Heat Pump System Abandoned View
18488693 Ventilation Air Valve, And Air Conditioning Unit Thereof Patented View
17974913 High-Temperature, Dual Rail Heat Pump Cycle For High Performance At High-Temperature Lift And Range Patented View
19265903 Liquid Submerged, Horizontal Computer Server Rack And Systems And Method Of Cooling Such A Server Rack Patented View
18550139 Refrigerant Circuit For A Thermal Treatment System Patented View
18488699 Air Conditioning Unit With A Leak Ventilation Inducer Patented View
18305670 Thermal Management System Of Vehicle Patented View
18602734 Ventilator And Air Conditioning System Abandoned View
18466950 Refrigerant Structure Mounted On Portable Fan Abandoned View
18615973 Heat Pump System For A Vehicle Patented View
18228855 Roof-Type Air Conditioner Patented View
18448428 Apparatus And Method For Treating Gas And Air-Conditioning Device Abandoned View
18266318 Vapor Compression Systems Containing Lubricant-Refrigerant Compositions Patented View
17056237 Refrigeration Cycle Apparatus Abandoned View
18217525 Refrigeration Device Patented View
18688065 Dehumidifier Appliance And Methods For Detecting Water Levels Within A Dehumidifier Appliance Patented View
18080513 Insulated Cargo Bay On Robotic Transport Vehicle Patented View
18453150 Heat Exchanger For Vehicle Air Conditioning System, Vehicle Air Conditioning System And Vehicle Patented View
18675003 Bernoulli Heat Pump Having Laminar Flow Of Refrigerant Abandoned View
18642479 Time-Based Energy Efficient Safe Mode For Freecooling Unit Patented View
18180996 Hyperloop Environmental Control System Abandoned View
18529951 Cooling And Dehumidification System Abandoned View
18320672 System For Collecting Water From Hvac Units Abandoned View
17907508 Heating/cooling System For A Vehicle, In Particular For An Electric Or Hybrid Vehicle, Holding Element For Such A Heating/cooling System Abandoned View
18137772 Refrigerator Patented View
18204541 Refrigerator And Control Method Therefor Patented View
18378341 Outdoor Unit Of Air Conditioner Patented View
18163554 Refrigerator Appliances And Removable Ice Making Assemblies Patented View
18507752 Outdoor Unit Of Air Conditioner Patented View
18215031 Refrigeration Cycle Apparatus Patented View
18130939 Sorption Heat Pump And Sorption Cycle Abandoned View
18009802 Refrigeration Appliance And Evaporator Therefor Abandoned View
18833379 Internal Circulation Type Clathrate Hydrate-Based Cold Storage System And Method Patented View
17841282 Ram Air Turbine Powered Cabin Air Compressor Patented View
18502311 Outdoor Unit Of Air Conditioner Patented View
18102410 Refrigerator Patented View

Appeals Statistics

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