Young S. Yoo has been granted 20 US patents while listed as an inventor at Otis Elevator . The first was granted in 1985 and the most recent in September 1998. Young S. Yoo ranks #214,803 of 4,157,543 US inventors in our database (top 5.2%). Patent records list Young S. Yoo in Avon, CT, US.
Patents per Year Patents granted per year, 1985 to 1998 Bar chart with a peak of 5 patents in 1994. peak 5 1985: 1 patents 1985 1990: 1 patents 1990 1991: 2 patents 1991 1992: 3 patents 1992 1993: 4 patents 1993 1994: 5 patents 1994 1995: 1 patents 1995 1996: 1 patents 1996 1997: 1 patents 1997 1998: 1 patents 1998
Issued Patents All Time
Profile Widget
Showing 1–20 of 20 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
5809367 Method of automatically controlling transfer voltage and fusing temperature in an electrophotographic printing apparatus Ki-jae Do 1998-09-15
5611412 Elevator car hitch Joseph Walker 1997-03-18
$12,269,000
5490577 Flexible elevator hitch — 1996-02-13
$4,857,000
5421433 Elevator load-weighing at car hitch — 1995-06-06
$4,284,000
5366044 Bidirectional eddy current overspeed protection for elevators Eric K. Jamieson , Breffni X. Baggot 1994-11-22
$2,477,000
5360085 Elevator cab position sensing with reduced operating noise Richard C. McCarthy 1994-11-01
$8,499,000
5343003 Recalibration of hitch load weighing using dynamic tare Eric K. Jamieson , Richard C. McCarthy 1994-08-30
$7,592,000
5307904 Stopping of elevators in the up direction — 1994-05-03
5301773 Positive terminal overspeed protection by rail grabbing Eric K. Jamieson , Rudi Steger , Richard C. McCarthy 1994-04-12
$6,919,000
5238088 Pit buffer assembly for high speed elevators — 1993-08-24
$4,973,000
5223679 Elevator drive motor to encoder connection having a flexible rod and a bellows coupling — 1993-06-29
$4,410,000
5195616 One to two stroke roped elevator pit buffers John K. Salmon 1993-03-23
$5,955,000
5181586 Noise and vibration reduction at elevator cab hitch John K. Salmon 1993-01-26
$6,807,000
5172782 Pivot mount of elevator load-weighing at car hitch Eric K. Jamieson 1992-12-22
$3,609,000
5131504 Elevator noise minimizer John K. Salmon , Keith Worsley 1992-07-21
$5,759,000
5080201 Diversion of airflow around an elevator counterweight John K. Salmon , Joseph R. Faust 1992-01-14
$5,680,000
5046584 Elevator occupant load weighing sensor mounting assembly John K. Salmon 1991-09-10
$10,133,000
5018602 Reduction of noise and vibration in an elevator car by selectively reducing air turbulence John K. Salmon 1991-05-28
$14,619,000
4899852 Elevator car mounting assembly John K. Salmon 1990-02-13
$13,640,000
4548297 Elevator car vibration control with friction damper John K. Salmon 1985-10-22
$3,261,000
