HEISSENBERGER & PRETZLER GMBH innovation strategy

Patent filings in countries

#	Technology
#1	Organic fertilisers
#2	Climate change mitigation in goods production
#3	Climate change mitigation in wastewater treatment
#4	Milling
#5	Crop agriculture
#6	Mixing
#7	Harvesting
#8	Separating solids
#9	Climate change adaptation technologies
#10	Motor vehicles

#	Name	Total Patents
#1	Pretzler Rudolf Dipl Ing	8
#2	Heissenberger Josef Ing	6
#3	Heissenberger Josef	6
#4	Pretzler Rudolf	5
#5	Pretzler Rudolf Dipl-Ing	4
#6	Ing Josef Heissenberger	1
#7	Heissenberger Josef Dipl Ing	1
#8	Heissenberger Josef Dipl-Ing	1
#9	Dipl-Ing Rudolf Pretzler	1
#10	Pretzler Rudolf Dupl-Ing	1

Publication	Filing date	Title
EP1304169A2	2002-10-01	Shredder device
EP1177838A2	2001-04-26	Drum screen
EP1149811A2	2001-04-24	Machine for shifting and turning compost
EP1132150A2	2001-02-23	Drum screen
EP0918026A1	1998-09-11	Foldable belt conveyor
DE19703249A1	1997-01-29	Device and treatment of bio waste
DE19615662A1	1996-04-19	Device for processing bio waste
DE4407680A1	1994-03-08	Compost turning machine
DE4340612C1	1993-11-29	Device for moving compost rents
ATA69993A	1993-04-06	Vehicle to realize compost rentals
DE4215599A1	1992-05-12	Compost turning machine
DE4200872A1	1992-01-15	Motor-driven vehicle, pref. agricultural tractor - consists of two frame sections, connected by pivot bearing, with drive shaft from engine extending through bearing
DE4114342A1	1991-05-02	Agricultural machine, in particular rotary hay advertising machine
DE4107528A1	1991-03-08	Hay making machine for spreading and turning crop - has articulated frame with pairs of rake which can be swung by remote control through semicircle from working to transporting position