Average Co-Inventor Count = 1.94
ph-index = 6
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Klockner-humboldt-deutz Ag (8 from 433 patents)
2. Kloeckner-humboldt-deutz Ag (3 from 87 patents)
3. Klockner-humboldt-duetz Ag (1 from 2 patents)
12 patents:
1. 5575252 - Reciprocating internal combustion engine
2. 5555856 - Oil-cooled reciprocating internal combustion engine
3. 5483928 - Liquid cooled internal combustion engine
4. 4834030 - Diesel internal combustion engine
5. 4834029 - Internal combustion engine
6. 4672923 - Internal combustion engine with at least two liquid cooled cylinders
7. 4497287 - Intake system with oscillator tubes
8. 4348990 - Apparatus for regulating the rotation of a hydraulically-operated
9. 4295457 - Crankcase ventilating device for reciprocating piston internal
10. 4233854 - Mounting arrangement for mounting a piston compressor attached as an
11. 4217870 - Venting valve for crankcases of reciprocable piston internal combustion
12. 3978840 - Cylinder head with welded-on cylinder and method of making said welded