ZELLWEGER S A has a total of 23 patent applications. Its first patent ever was published in 1928. It filed its patents most often in France and Belgium. Its main competitors in its focus markets environmental technology, textiles and paper and packaging and shipping are ZELLWEGER A G, ZELLWEGER LTD FACTORIES FOR AP and ZELLWEGER USTER AG.
| # | Technology | |
|---|---|---|
| #1 | Auxiliary weaving apparatus | |
| #2 | Circuits for supplying electric power | |
| #3 | Reduction of greenhouse gas emissions | |
| #4 | Handling thin material | |
| #5 | Smart grids | |
| #6 | Packaging | |
| #7 | Analogue computers | |
| #8 | Analysing materials | |
| #9 | Spinning | |
| #10 | Resonators |
