Learn more

MASCHB AKT GES VORMALS EHRHARD

Overview
  • Total Patents
    41
About

MASCHB AKT GES VORMALS EHRHARD has a total of 41 patent applications. Its first patent ever was published in 1928. It filed its patents most often in Germany. Its main competitors in its focus markets machine tools, engines, pumps and turbines and measurement are MASCHB AG VORMALS EHRHARDT & S, SHELBY STEEL TUBE COMPANY and AKTSIONERNOE OBSHCHESTVO MAGNI.

Patent filings in countries

World map showing MASCHB AKT GES VORMALS EHRHARDs patent filings in countries
# Country Total Patents
#1 Germany 41

Patent filings per year

Chart showing MASCHB AKT GES VORMALS EHRHARDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Bernhardt Paul 5
#2 Frentzen Dipl-Ing Alfred 1
#3 Boelte Otto 1
#4 Maas Joseph 1
#5 Bernhardt P 1

Latest patents

Publication Filing date Title
DE681480C Pumping system
DE642790C Sheet leveler for thick-walled sheets
DE636821C Plate leveler
DE630077C Three roll sheet bending machine
DE648395C Procedure for loosening the pipe from the mandrel bar with push-pull arms
DE628271C Friemel mill for rounding, smoothing and calibrating highly out-of-round rolling stock
DE615716C Sleeper cutting machine
DE609391C Three roll bending machine
DE599704C Liner for multi-part cylinders of four-stroke large gas engines
DE569322C Manufacture of rail chairs from U-shaped rolled iron sections
DE554624C Feeding device for threshold punching machines by means of a pawl transport device
DE596600C Block printer
DE551388C Centrifugal pump for pumping heavily contaminated fluids
DE565865C Billet crusher with notching and breaking tools driven by an eccentric shaft
DE561979C Wire reel
DE552444C Lateral support of the work rolls of multi-roll mills emerging from the central plane of the support rolls
DE539148C Method to facilitate the disassembly of centrifugal pumps with cylindrical housings
DE519248C Wheel disc rolling mill with conical rollers, especially for automobile disc wheels, with a thickness that decreases according to the circumference
DE518634C Device for rolling out conical disc wheels on spherically shaped rollers that work spirally from the inside out
DE510800C Wheel disc rolling mill with conical rollers, especially for wheel discs of automobile disc wheels with a thickness that decreases according to the circumference