Inventor
Alfred R. Koelle
Inventor
Santa Fe, NM, US
Overview
Patents· 13 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Sprimary
G01SRadio direction-finding27%
G06KGraphical data reading24%
B61LGuiding railway traffic12%
A01KAnimal husbandry3%
A61BDiagnosis3%
F16CShafts3%
G01KMeasuring temperature3%
G01VGeophysics3%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes3%
G07BTicket-issuing apparatus3%
PatentTitleYear
5,771,021'Transponder employing modulated backscatter microstrip double patch antenna'19985,510,795'Single antenna location and direction finding system'19965,504,485'System for preventing reading of undesired RF signals'19965,479,160'Low level RF threshold detector'19955,030,807'System for reading and writing data from and into remote tags'19914,999,636'Range limiting system'19914,888,591'Signal discrimination system'19894,864,158'Rapid signal validity checking apparatus'19894,786,907'Transponder useful in a system for identifying objects'19884,739,328'System for identifying particular objects'19884,264,862'Induction logging device with a pair of mutually perpendicular bucking coils'19814,075,632'Interrogation, and detection system'19783,995,919'Antifriction bearing'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976Patents assigned to SKF IND TRADING & DEV (1)· patent assignee history
1976Based in Gochsheim, DE· patent location history
1978–1981Patents assigned to US ENERGY (2)· patent assignee history
1978–1988Based in Los Alamos, NM, US· patent location history
1988–1998Patents assigned to AMTECH CORP (8)· patent assignee history
1989–1991Patents assigned to AMTECH TECHNOLOGY (2)· patent assignee history
1989–1998Based in Santa Fe, NM, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| AMTECH CORP | 8 | 1988–1998 |
| AMTECH TECHNOLOGY | 2 | 1989–1991 |
| US ENERGY | 2 | 1978–1981 |
| SKF IND TRADING & DEV | 1 | 1976 |
Locations
| Location | Patents | Span |
|---|---|---|
| Santa Fe, NM, US | 8 | 1989–1998 |
| Los Alamos, NM, US | 4 | 1978–1988 |
| Gochsheim, DE | 1 | 1976 |