NF

Norbert Feistel

BA Burckhardt Compression Ag: 14 patents #1 of 16Top 7%
MS Maschinenfabrik Sulzer-Burckhardt: 8 patents #1 of 8Top 15%
Overall (All Time): #187,421 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12297826 Throttle arrangement for piston compressors 2025-05-13
12209670 Piston ring for a piston compressor 2025-01-28
12196316 Throttle ring 2025-01-14
11852243 Method and device for monitoring the condition of a piston rod sealing system of a piston compressor 2023-12-26
11698062 Oil wiper packing 2023-07-11
11193587 Piston ring for a piston compressor, and piston compressor 2021-12-07
10364894 Sealing assembly and method for the operation thereof Pascal De Lapersonne, Alexandre Voser 2019-07-30
10359116 Dry-running piston rod packing and method for operating a dry-running piston rod packing 2019-07-23
10077842 Sealing ring 2018-09-18
9810175 Oil scraper ring 2017-11-07
9234479 Oil scraper ring Andreas Allenspach 2016-01-12
9133933 Piston ring 2015-09-15
8985588 Seal arrangement 2015-03-24
7815193 Dry-running piston rod sealing arrangement, and method for sealing a piston rod using one such arrangement Georg Samland 2010-10-19
6457722 Sealing element for dry running systems and the use of a sealing element of this kind 2002-10-01
6378875 Sealing ring 2002-04-30
6367808 Sealing ring for a dry running piston rod 2002-04-09
6357755 Sealing elements for dry running piston compressors 2002-03-19
6322080 Sealing arrangement 2001-11-27
6267380 Choke arrangement and a method for operating said choke arrangement 2001-07-31
6045135 Sealing ring disk 2000-04-04
5347915 Piston compressor for the oilfree compression of gases 1994-09-20