Inventor
William C. Brown
Inventor
Owatonna, MN, US
Overview
Patents· 55 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F25Bprimary
F25BRefrigeration machines, plants or systems31%
B60HArrangements of heating, cooling, ventilating or other air-treating devices specially adapted for passenger or goods spaces of vehicles20%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%
G01SRadio direction-finding3%
A61MDevices for introducing media into, or onto, the body2%
C07KPeptides2%
C12MApparatus for enzymology or microbiology2%
C12NMicroorganisms or enzymes2%
G01GWeighing2%
H03FAmplifiers2%
PatentTitleYear
10,627,142Apparatus and method for determining the quantity of dissolved refrigerant in oil recovered from an air conditioning system202010,429,110System and method for recovering refrigerant20199,732,999'System and method for recovering refrigerant'20179,470,443'Modified hose flush device and method'20169,447,998'Method and apparatus for improving the charge accuracy of a refrigerant recovery unit'20169,366,465'System and method for improving charge accuracy by temperature compensation'20169,207,006'Method for accurately recharging A/C systems'20159,074,801'Apparatus and method for identifying and operating air purge in safe mode and having a dip tube'20158,661,836'Apparatus to clear oil from the hoses and front end of a recovery recharge machine'20148,621,879'Air conditioning system recharging method and apparatus'20148,616,011'Internal clearing function for a refrigerant recovery/recharge machine'20138,590,335'Method and apparatus for clearing oil inject circuit for changing oil types'20138,572,992'Method for recovery and recharge of blend refrigerants with blend sent for reclamation'20138,516,836'System and method for accurately recharging an air conditioning system'20138,434,344'Verification of scale calibration method and apparatus'20138,406,931'A/C service tool controller'20138,272,227'System and method for accurately recharging an air conditioning system'20128,272,228'Apparatus to clear oil from the hoses and front end of a recovery recharge machine'20128,261,564'Refrigerant recovery apparatus with variable vacuum time and method'20128,122,731'Method and apparatus for clearing oil inject circuit for changing oil types'20128,079,226'Method for accurately recharging A/C systems'20118,070,857'Particulate removal tool'20117,854,130'Internal clearing function for a refrigerant recovery/recharge machine'20107,854,133'Air conditioning service station with electrically driven analog-display pressure gauges'20107,739,895'Verification of scale calibration method and apparatus'20107,421,848'Automated hose clearing after refrigerant charging method'20086,986,283'Method and apparatus for exchanging fluid in a transmission system'20066,334,320'Electronic manifold for a refrigerant servicing unit'20026,202,433'Protection system for refrigerant identification detector'20016,196,956'Constant velocity universal joint for therapy devices'20016,180,391'Highly efficient controlled expression of exogenous genes in e. coli'20016,138,462'Refrigerant recovery and recharging system with automatic oil drain'20006,134,899'Refrigerant recovery and recharging system with automatic air purging'20006,134,896'Background tank fill'20006,119,475'Tank unload apparatus'20005,906,106'Refrigerant air analyzer and purge system'19995,843,703'Enhanced production of toxic polypeptides in prokaryotes'19985,734,727'Sunroof assembly noise attenuation system'19985,298,025'Sequential flow rate infusion rate'19945,216,327'Magnetron coaxial adaptor having a cap which fits over the magnetron output antenna'19935,135,497'Large volume pressurized fluid dispenser'19925,033,833'Omni-directional optical antenna element'19914,937,194'Method for metering nutrient media to cell culture containers'19904,829,002'System for metering nutrient media to cell culture containers and method'19894,652,882'Receiver with wide dynamic range'19874,634,992'Magnetron amplifier power combiner'19874,630,448'Container for storing solid living tissue portions'19864,593,417'Convertible survival cap'19864,571,552'Phase-locked magnetron system'19864,522,386'Paper feeding mechanism'19854,450,410'Phase-lock loop control circuitry'19844,318,589'Segmented curved screen construction for preserving a predefined curvature'19824,208,632'Radar receiver'19804,185,251'Compensated automatic gain control'19803,989,994'Space oriented microwave power transmission system'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1993Patents assigned to RAYTHEON CO (8)· patent assignee history
1976–1993Based in Weston, MA, US· patent location history
1980–1991Based in Littleton, MA, US· patent location history
1986–1990Based in Palatine, IL, US· patent location history
1999–2006Based in Bryan, OH, US· patent location history
2000–2012Patents assigned to SPX CORP (17)· patent assignee history
2008–2020Based in Owatonna, MN, US· patent location history
2011–2016Patents assigned to BROWN WILLIAM (13)· patent assignee history
2011–2016Patents assigned to MCMASTERS MARK (11)· patent assignee history
2013–2016Patents assigned to SERVICE SOLUTIONS US LLC (8)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SPX CORP | 17 | 2000–2012 |
| BROWN WILLIAMself | 13 | 2011–2016 |
| MCMASTERS MARK | 11 | 2011–2016 |
| RAYTHEON CO | 8 | 1976–1993 |
| SERVICE SOLUTIONS US LLC | 8 | 2013–2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| Owatonna, Minnesota, US | 26 | 2008–2020 |
| Bryan, OH, US | 8 | 1999–2006 |
| Littleton, Massachusetts, US | 5 | 1980–1991 |
| Weston, Massachusetts, US | 4 | 1976–1993 |
| Palatine, Illinois, US | 3 | 1986–1990 |