Inventor
Fritz P. Schafer
Inventor
Gottingen-Nikolausberg, DE
Overview
Patents· 16 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Sprimary
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light31%
C07CAcyclic or carbocyclic compounds12%
A61KPreparations for medical, dental or toiletry purposes4%
B01DSeparation4%
B23KSoldering or unsoldering4%
B64BLighter-than air aircraft4%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments4%
C09KMaterials for miscellaneous applications, not provided for elsewhere4%
F21KNon-electric light sources using luminescence4%
G02BOptical elements, systems or apparatus4%
PatentTitleYear
6,328,257'Cruise airship with an anchoring device and a helium tempering device'20014,914,658'Mode-locked laser'19904,773,732'Optical interferometric apparatus with an electrically controllable intensity transmission factor'19884,755,027'Method and device for polarizing light radiation'19884,731,794'Optical laser pumping system'19884,641,312'Method and device for producing individual short laser pulses'19874,630,274'Method and apparatus for generating short intensive pulses of electromagnetic radiation in the wavelength range below about 100 nm'19864,550,200'Process for obtaining D,L-homocystine (II)'19854,550,199'Process for obtaining D,L-homocystine (I)'19854,479,220'Method and apparatus for generating ultra-short individual laser pulses'19844,233,125'Method of photochemical separation of isotopes'19804,213,153'Process for the optical display of information using lasers'19804,165,434'Laser dyes comprising fluorescent and laser dyestuff residues'19794,035,740'Dyestuff laser'19773,983,436'Electric arc discharge lamp'19763,931,594'Transverse-flow laser cell and laser arrangement including the cell'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1990Patents assigned to MAX PLANCK GESELLSCHAFT (12)· patent assignee history
1976–1988Based in Gottingen-Nikolausberg, DE· patent location history
1977Patents assigned to BAYER AG (1)· patent assignee history
1977–1990Based in Goettingen, DE· patent location history
1985Patents assigned to DEGUSSA (2)· patent assignee history
1985Based in Constance, DE· patent location history
1985Based in Konstanz, DE· patent location history
2001Based in Gottingen, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MAX PLANCK GESELLSCHAFT | 12 | 1976–1990 |
| DEGUSSA | 2 | 1985 |
| BAYER AG | 1 | 1977 |
Locations
| Location | Patents | Span |
|---|---|---|
| Gottingen-Nikolausberg, DE | 9 | 1976–1988 |
| Goettingen, DE | 4 | 1977–1990 |
| Gottingen, DE | 1 | 2001 |
| Constance, DE | 1 | 1985 |
| Konstanz, DE | 1 | 1985 |