Inventor
Benjamin Ziph
Inventor
Ann Arbor, MI, US
Overview
Patents· 17 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F02Gprimary
F02GHot gas or combustion-product positive-displacement engine plants28%
F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact14%
F16JPistons9%
F28FDetails of heat-exchange and heat-transfer apparatus, of general application7%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution7%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
Y10TTechnical subjects covered by former us classification5%
F01BMachines or engines, in general or of positive-displacement type, e.g. steam engines2%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general2%
F01PCooling of machines or engines in general2%
PatentTitleYear
7,194,858'Hydrogen equalization system for double-acting stirling engine'20075,884,481'Heat engine heater assembly'19995,865,091'Piston assembly for stirling engine'19995,864,770'Speed and power control of an engine by modulation of the load torque'19994,885,980'Hydrodynamic bearing'19894,836,094'Yieldably mounted lubricant control assemblies for piston rods'19894,785,633'Solar evaporator'19884,785,875'Heat pipe working liquid distribution system'19884,781,242'Exhaust heat recovery system for compartment heating'19884,715,183'Dual source external heating system for a heat pipe'19874,703,796'Corrosion resistant heat pipe'19874,632,179'Heat pipe'19864,579,046'Yieldably mounted lubricant control assemblies for piston rods'19864,523,636'Heat pipe'19854,481,771'Heat exchanger stack apparatus'19844,439,169'Pressure containment device'19844,258,590'Wobble plate control for a variable piston displacement machine'1981Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1981Patents assigned to PHILIPS CORP (1)· patent assignee history
1981–2007Based in Ypsilanti, MI, US· patent location history
1984–1989Patents assigned to STIRLING THERMAL MOTORS INC (11)· patent assignee history
1984–1999Based in Ann Arbor, MI, US· patent location history
1988Patents assigned to VOLVO FLYGMOTOR AB (1)· patent assignee history
1999Patents assigned to STM CORP (2)· patent assignee history
2007Patents assigned to STM POWER INC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| STIRLING THERMAL MOTORS INC | 11 | 1984–1989 |
| STM CORP | 2 | 1999 |
| PHILIPS CORP | 1 | 1981 |
| STM POWER INC | 1 | 2007 |
| VOLVO FLYGMOTOR AB | 1 | 1988 |
Locations
| Location | Patents | Span |
|---|---|---|
| Ann Arbor, MI, US | 15 | 1984–1999 |
| Ypsilanti, MI, US | 2 | 1981–2007 |