Pawełczyk A., Grabas K., Łukasiewicz K. - "Method of utilization of asbestos materials", Pat. appl. No P 444320, 04.04.2023.

Grabas K., Pawełczyk A., Łukasiewicz K. - "Method of producing briquettes from copper-bearing materials", Pat. appl. No P 443558, 24.01.2023.

Grabas K., Pawełczyk A., Hoffmann J., Ostrowski A., Stręk W., Stręk S. - "Method and apparatus for the conversion of calcium sulfate to calcium carbonate and ammonium sulfate", Pat. appl. No P 434401, 22.06.2020.

Grabas K., Pawełczyk A., Kołwzan B., Steininger M. - "System for remediation of grounds contaminated with hydrocarbons", Pat. No 207080 B1, 29.10.2010.

Kołwzan B., Grabas K., Pawełczyk A., Steininger M. - "Method of microbiological purification of grounds from hydrocarbons",  Pat. No 207237 B1, 30.11.2010.

Trefler B., Pawełczyk A. ,  Zwoździak J., Institute of Inorganic Chemistry,  Czarny A. - "Method for waste free utilization of asbestos and asbestos containing materials", P-359958, 5.05.2003.

Pawełczyk A. et al. - "Method of increasing of available phosphorus contents in phosphorite dust", P-309816, 1995

Pawełczyk A.,  Ajdukiewicz J., Czuba R.,  Górecki H., Hoffmann J., Przybyła J., Schroeder J. -„Method of manufacture of the phosphate fertilizer” No 275489, 24.10.1988.

Zabrzeski J., Gluszek J., Tylus W., Pawelczyk A., Halawa J. - "Equipment for continuous cleaning of exhaust gas", No 104631, 29.04.1996.

Górecki H., Hoffmann J., Dobrzański Z., Syska W., Hoffmann K., Pawełczyk A. - "Method for manufacture of fodder calcium phosphate", P 310689, 31.08.2000.

Górecki H., Hoffmann J., Górecka H., Milewska A., Pawelczyk A., Murzyński J. - „Method of manufacture of multicomponent mineral fertilizer",  No 285883,  28.06.1990.

Schroeder J., Lewandowski M., Kuzko A., Gorecki H., Zieliński K., P., Zieba S., Gorecka H., Pawelczyk A., Wysocki A. - Procede de lavage du phosphogypse residuaire obtenu lors de la decomposition, par l'acide sulfurique, de minerai phosphorique, Patent France FR2424878, 1979-11-30

Schroeder J., Górecki H., Lewandowski M., Pawełczyk A., Kuzko A. - Patent. Germany, nr 3004547. Verfahren zur Herstellung von Mischdungern. 15.01.1981

Schroeder J., Lewandowski M., Kuzko A., Gorecki H., Zieliński K., P., Zieba S., Gorecka H., Pawelczyk A., Wysocki A. -  Method of washing waste phosphogypsum, United States Patent 4301130, 17.11.1981