Inventor

HOFFMAN DONALD E

US28 patents

⚠️ This page may combine multiple inventors who share the name “HOFFMAN DONALD E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HOFFMAN DONALD E

FORD GLOBAL TECH LLC

Accessory drive and engine restarting system

Transmission producing continuously variable speed ratios

Ranged dual clutch transmission for motor vehicles

Multiple-speed automatic transmission having a two-speed input and a Simpson gearset

Multiple speed automatic transmission

Multiple speed automatic transmission

Multiple-speed automatic transmission

Accessory drive and engine restarting

Multi-speed automatic transmission

GEN MOTORS CORP

Unitary pipe clamp and assembly

Actuator for air conditioning system

Method of assembly of single and multi-zone vehicle heating and a/c systems

Rotary air valve seal arrangement

Air distribution housing with integrally formed internal bearing pins and its method of manufacture

Motor vehicle air conditioning and heating system with bi-level mode

Heater core retaining system

Single inlet/outlet-tank U-shaped tube heat exchanger

Linear motion actuator with spring centering means

HOFFMAN DONALD E

Multi-speed automatic transmission

Transmission producing stepless variable speed ratios

Accessory drive and engine restarting system

(unassigned)

Spinnable swing assembly

Stable swing arrangement

DU PONT

Aramid fabric for garments of improved comfort

Process for making spun yarn

CREATIVE PLAYTHINGS LTD

Playset tower assembly arrangement

Glider swing

UNVIERSITY OF CALIFORNIA

High efficiency replicated x-ray optics and fabrication method